Association of lower-limb strength with different fall histories or prospective falls in community-dwelling older people: a systematic review and meta-analysis by Ringo Tang-Long Zhu, Jenny Jing-Jing Zuo, Ke-Jing Li, Freddy Man Hin Lam, Arnold Yu Lok Wong, Lin Yang, Xue Bai, Man Sau Wong, Timothy Kwok, Yong-Ping Zheng, Christina Zong-Hao Ma

“…Results Twenty observational studies with 8,231 community-dwelling older adults were included (mean age: 73.5 years; male to female ratio: approximately 6:1). …”
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Safety of influenza vaccination during pregnancy: a systematic review by Brian Hutton, David Moher, Danielle B Rice, Claire Butler, Andrea C Tricco, Becky Skidmore, Candyce Hamel, Chantelle Garritty, Paul A Khan, Marco Ghassemi, Charlene Soobiah, Leila Esmaeilisaraji, Dianna M Wolfe, Deshayne Fell, Mona Hersi, Nadera Ahmadzai, Alan Michaud, Angela Sinilaite

“…Objective We conducted a systematic review to evaluate associations between influenza vaccination during pregnancy and adverse birth outcomes and maternal non-obstetric serious adverse events (SAEs), taking into consideration confounding and temporal biases.Methods Electronic databases (Ovid MEDLINE ALL, Embase Classic+Embase and the Cochrane Central Register of Controlled Trials) were searched to June 2021 for observational studies assessing associations between influenza vaccination during pregnancy and maternal non-obstetric SAEs and adverse birth outcomes, including preterm birth, spontaneous abortion, stillbirth, small-for-gestational-age birth and congenital anomalies. …”
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Community-based HPV self-collection versus visual inspection with acetic acid in Uganda: a cost-effectiveness analysis of the ASPIRE trial by Joel Singer, Angeli Rawat, Heather Armstrong, Josaphat Byamugisha, Gina S Ogilvie, Alex K Mezei, Heather N Pedersen, Stephen Sy, Catherine Regan, Sheona M Mitchell-Foster, Musa Sekikubo, Jane J Kim, Nicole G Campos

“…In both arms, VIA was performed at the local health unit by midwives with VIA-positive women receiving immediate treatment with cryotherapy.Design We informed a Monte Carlo simulation model of HPV infection and cervical cancer with screening uptake, compliance and retrospective cost data from the ASPIRE trial; additional cost, test performance and treatment effectiveness data were drawn from observational studies. The model was used to assess the cost-effectiveness of each arm of ASPIRE, as well as an HPV screen-and-treat strategy (‘HPV-ST’) involving community-based self-collected HPV testing followed by treatment for all HPV-positive women at the clinic.Outcome measures The primary outcomes were reductions in cervical cancer risk and incremental cost-effectiveness ratios (ICERs), expressed in dollars per year of life saved (YLS).Results HPV-ST was the most effective and cost-effective screening strategy, reducing the lifetime absolute risk of cervical cancer from 4.2% (range: 3.8%–4.7%) to 3.5% (range: 3.2%–4%), 2.8% (range: 2.4%–3.1%) and 2.4% (range: 2.1%–2.7%) with ICERs of US$130 (US$110–US$150) per YLS, US$240 (US$210–US$280) per YLS, and US$470 (US$410–US$550) per YLS when performed one, three and five times per lifetime, respectively. …”
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Genetic evidence for the causal effects of air pollution on the risk of respiratory diseases by Yanjuan Wu, Yuting Zhang, Jingcun Wang, Qiming Gan, Xiaofen Su, Sun Zhang, Yutong Ding, Xinyan Yang, Nuofu Zhang, Kang Wu

“…However, establishing causal relationships remains challenging due to residual confounding in observational studies. In this study, Mendelian randomization (MR) analysis was used to explore the causal and epigenetic relationships between various air pollutants and common respiratory diseases. …”
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