Inequalities in colorectal cancer diagnosis by ethnic group: a population-level study in the English National Health Service by Amy Downing, Mo Thoufeeq, James Turvill, Eva J A Morris, Phil Quirke, John C Taylor, Rebecca J Birch, Nick E Burr

“…This study sought to examine the relationship between ethnic group, route to diagnosis, early-onset CRC and stage at diagnosis in the English National Health Service.Methods Data from COloRECTal cancer data Repository for all individuals diagnosed with CRC (International Classification of Diseases version 10, C18–C20) between 2012 and 2017. …”
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Different Associations between Lipid Levels and Risk for Heart Failure according to Diabetes Progression by Seung-Hwan Lee, Kyu Na Lee, Jong-Chan Youn, Hun Sung Kim, Kyungdo Han, Mee Kyoung Kim

“…Incident HF was defined according to the International Classification of Diseases, 10th Revision (ICD-10) code I50 as the primary diagnosis during hospitalization. …”
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Treatment Patterns and Healthcare Costs Among Patients with Stroke and Spasticity: A 2-Year Longitudinal Study by Michael Hull, Vamshi Ruthwik Anupindi, Jing He, Mitchell DeKoven, Jumaah Goldberg, Jonathan Bouchard

“…Patients were selected based on two International Classification of Diseases, 10th revision diagnosis codes for stroke requiring an inpatient stay (index date) with continuous enrollment with medical/pharmacy benefits 12 months before (pre-index) and 24 months starting on the index date (post-index). …”
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Associations of the Need for Surgery in Emergency Department Patients with Small Bowel Obstructions by Daniel J. Berman, Alexander W. Mahler, Ryan C. Burke, Andrew E. Bennett, Nathan I. Shapiro, Leslie A. Bilello

“…We included adult patients admitted to the emergency department (ED) with the International Classification of Diseases, 10th Rev, codes for small bowel obstruction from June 1, 2017– May 30, 2019. …”
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COVID-19's impact on hospital stays, mortality, and readmissions for poverty-related diseases, noncommunicable diseases, and injury groups in Thailand. by Satiti Palupi, Kyaw Ko Ko Htet, Vorthunju Nakhonsri, Chumpol Ngamphiw, Peerapat Khunkham, Sanya Vasoppakarn, Narumol Atthakul, Sissades Tongsima, Chantisa Keeratipusana, Watcharapot Janpoung, Virasakdi Chongsuvivatwong

“…We categorized WHO's three disease groups: poverty-related, noncommunicable, and injury groups using the International Classification of Diseases (ICD)-10 of initial admission of patients, and we analyzed three major outcomes: prolonged (≥ 90th percentile) length of stay (LOS), hospital mortality, and readmission pre-, during, and post-COVID-19 pandemic peak. …”
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Risk Factors and Characteristics Associated with Visual Impairment and Eye Diseases in Moyamoya Disease: Insights from a National Database by Youyi Song, Xin Yang, Hongzhu Yang, Hongyun Mei, Xuedan Lu, Hao Xie, Qinfeng Yang, Wenbin Duan

“…Methods This study utilized International Classification of Diseases (ICD) codes from both the 9th edition (ICD-9-CM) and 10th edition (ICD-10-CM) to define diagnoses, complications, and procedures within the National Inpatient Sample (NIS) Database. …”
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Effect of delivery hospital busyness on early mortality in small preterm infants: a Finnish population-based cohort study in 2006–2016 by Mika Gissler, Sari Räisänen, Seppo Heinonen, Sture Andersson, Riitta Vilkko, Markus Leskinen

“…We analysed differences in the incidence of selected adverse outcomes between quiet and busy days compared with optimal delivery-volume days by logistic regression followed by crude (ORs) and adjusted ORs (aORs) with 99% CIs.Setting A population-based cohort study based on prospectively collected real-world data from five university hospitals and 21 non-tertiary-level delivery hospitals in Finland, 2006‒2016.Participants 4323 small preterm infants.Primary outcome measures Umbilical cord pH ≤7.05, Apgar score 0–3 points at the age of 1 min, Apgar score 0–3 points at age 5 min, birth asphyxia (International Classification of Diseases-10 code), resuscitation with intubation.Secondary outcome measures Perinatal mortality comprising stillbirths and early neonatal deaths (<7 days).Results Busy days (busy vs optimal) showed no correlation with the primary birth-related outcomes. …”
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Medicaid Eligibility and Time to Re-incarceration Among Previously Incarcerated Subjects With Schizophrenia by Chris Kozma, Michael Dickson, Jacqueline Pesa, Carmela J. Benson

“…Subjects were included if they had a schizophrenia diagnosis (International Classification of Diseases, 9th Revision, Clinical Modification [ICD- 9-CM] code 295.xx), were between the ages of 18 and 62, and had been released from incarceration. …”
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Occupational physical activity and cardiovascular disease mortality in the United States, 1988–2019 by Tong Xia, Liwei Chen, Jian Li

“…CVD mortality was identified by International Classification of Diseases, Tenth Version (ICD–10) and collected by the National Death Index database. …”
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Association between diabetes mellitus and total hip arthroplasty outcomes: an observational study using the US National Inpatient Sample by Jasvinder A Singh, Sumanth Chandrupatla, Kranti Rumalla

“…Objectives To investigate the association of diabetes with postoperative outcomes in patients undergoing primary total hip arthroplasty (THA).Design Retrospective cohort study using data from the US National Inpatient Sample (NIS).Setting Study cohort was hospitalisations for primary THA in the USA, identified from the 2016–2020 NIS.Participants We identified 2 467 215 adults in the 2016–2020 NIS who underwent primary THA using International Classification of Diseases, 10th Revision codes. Primary THA hospitlizations were analysed as the overall group and also stratified by the underlying primary diagnosis for THA.Outcome measures Outcome measures of interest were the length of hospital stay>the median, total hospital charges>the median, inpatient mortality, non-routine discharge, need for blood transfusion, prosthetic fracture, prosthetic dislocation and postprocedural infection, including periprosthetic joint infection, deep surgical site infection and postprocedural sepsis.Results Among 2 467 215 patients who underwent primary THA, the mean age was 68.7 years, 58.3% were female, 85.7% were white, 61.7% had Medicare payer and 20.4% had a Deyo-Charlson index (adjusted to exclude diabetes mellitus) of 2 or higher. 416 850 (17%) patients had diabetes. …”
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Estimating rare disease prevalence and costs in the USA: a cohort study approach using the Healthcare Cost Institute claims data by Keith A Crandall, Christine M Cutillo, Ainslie Tisdale, Mahdi Baghbanzadeh, Reva L Stidd, Manpreet S Khural, Laurie J Hartman, Jeff Greenberg, Kevin B Zhang, Ali Rahnavard

“…Objective The study capitalised on national insurance claims data to gather information on patient characteristics and associated costs to better understand the diagnosis and treatment of rare diseases (RDs).Materials and methods Data from the Healthcare Cost Institute (HCCI) data enclave were analysed using R statistical software and filtered by the International Classification of Diseases, 10th edition (ICD-10), current procedural terminology codes and the National Drug Code associated with 14 RDs and disease-modifying therapy options. …”
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Much Lower Prevalence and Mortality of Chronic Obstructive Pulmonary Disease in Japan Than in the United States Despite Higher Smoking Rates: A Meta-Analysis/Systematic Review by Akira Sekikawa, Mengyi Li, Niva Joshi, Brandon Herbert, Curtis Tilves, Chendi Cui, Shiyao Gao, Yuefang Chang, Yasutaka Nakano, Frank C Sciurba

“…Methods: Age- and sex-specific smoking rates from the 1980s through 2010s and COPD mortality from 1999 through 2019 were obtained from national surveys and official statistics (International Classification of Diseases-10th codes J40–44), respectively. …”
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Glycogen Storage Disease Type Ia: A Retrospective Claims Analysis of Complications, Resource Utilization, and Cost of Care by Eliza Kruger, Justin Nedzesky, Nina Thomas, Jeffrey D. Dunn, Andrew A. Grimm

“…**Methods:** We conducted a retrospective cohort study of GSDIa patients and matched non-GSDIa comparators utilizing the PharMetrics® Plus database. International Classification of Diseases, Tenth Revision (ICD-10) diagnosis codes in any billing position for inpatient and outpatient claims (January 2016–February 2020) were identified for complications related to GSDIa. …”
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Association between triglyceride/high density lipoprotein ratio and incidence risk of Parkinson’s disease: a population-based cohort study by Yoonkyung Chang, Ju-young Park, Tae-Jin Song

“…The diagnosis of PD was determined using the International Classification of Diseases, 10th Revision code G20, specific reimbursement codes for Rare Intractable Diseases of V124, and a history of anti-PD drug prescription. …”
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Chronic and infectious respiratory mortality and short-term exposures to four types of pollen taxa in older adults in Michigan, 2006-2017 by Peter S. Larson, Allison L. Steiner, Marie S. O’Neill, Alan P. Baptist, Carina J. Gronlund

“…Deaths from infectious and chronic respiratory-related causes were selected using International Classification of Diseases (ICD-10) codes. Pollen data were obtained from a prognostic model of daily pollen concentrations at 25 km resolution. …”
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Is the treatment of ankle osteoarthritis changing over time in Italy? Analysis of temporal trends for fusion and arthroplasty in a population-based study from 2001 to 2022 on the N... by Adriano Cuccu, Elena Manuela Samaila, Enrico Ciminello, Umberto Alfieri Montrasio, Fabrizio Cortese, Stefania Ceccarelli, Tiziana Falcone, Marina Torre

“…Materials and methods International Classification of Diseases, 9th Revision, Clinical Modification (ICD9-CM) codes of interest were identified to browse the Italian National Hospital Discharge Record database. …”
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Incidence and risk factors for mortality of vertebral osteomyelitis: a retrospective analysis using the Japanese diagnosis procedure combination database by Hideo Yasunaga, Hirotaka Chikuda, Kiyohide Fushimi, Hiromasa Horiguchi, Toru Akiyama, Kazuo Saita

“…Objective To examine the incidence of vertebral osteomyelitis (VO) and the clinical features of VO focusing on risk factors for death using a Japanese nationwide administrative database.Design Retrospective observational study.Setting Hospitals adopting the Diagnosis Procedure Combination system during 2007–2010.Participants We identified 7118 patients who were diagnosed with VO (International Classification of Diseases, 10th Revision codes: A18.0, M46.4, M46.5, M46.8, M46.9, M48.9 and M49.3, checked with the detailed diagnoses in each case and all other codes indicating the presence of a specific infection) and hospitalised between July and December, 2007–2010, using the Japanese Diagnosis Procedure Combination database.Main outcome measures The annual incidence of VO was estimated. …”
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Natremia Significantly Influences the Clinical Outcomes in Patients with Severe Traumatic Brain Injury by Bharti Sharma, Winston Jiang, Munirah M. Hasan, George Agriantonis, Navin D. Bhatia, Zahra Shafaee, Kate Twelker, Jennifer Whittington

“…Patients were identified using Abbreviated Injury Severity (AIS) scores and International Classification of Diseases (ICD) injury descriptions. …”
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Impact of Order Set on Exocrine Pancreatic Insufficiency in Chronic Pancreatitis, Pancreatic Cancer, and Pancreatic Resection by Michael Ladna, Ishaan Madhok, Adnan Bhat, Nicole Ruiz, Jackson Brown, Jake Wilson, Peter Jiang, Robert Taylor, Mark Radetic, John George, Christopher Forsmark

“…Methods: A retrospective analysis of all patients with International Classification of Diseases codes for EPI, CP, and PDAC or CPT code for pancreatic resection from Feb-2018 to Feb-2021. …”
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Conversion from clinically isolated syndrome to multiple sclerosis: what paraclinical tests findings are the most characteristic? by M. Malciūtė, I. Čelpačenko, R. Stankevičiūtė, R. Balnytė

“…A retrospective data analysis was performed in patients diagnosed with demyelinating encephalomyelitis according to ICD-10 (International Classification of Diseases Tenth Revision), codes G37.8 (other specified demyelinating diseases of central nervous system) and G37.9 (demyelinating disease of central nervous system, unspecified). …”
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