From: Risk factors for postoperative medical morbidity and 3-month mortality in elderly patients with hip fracture following hip arthroplasty during COVID-19 pandemic
OR (95% CI)
P*
Dementia
2.73 (1.37–5.44)
0.004
COPD
3.00 (1.92–4.71)
 < 0.001
Fracture to operation duration
1.24 (1.19–1.30)