Risk factors for postoperative medical morbidity and 3-month mortality in elderly patients with hip fracture following hip arthroplasty during COVID-19 pandemic

Table 5 Multivariable models showing factors associated with 3-month mortality

	OR (95% CI)	P*
COPD	2.10 (1.05–4.17)	0.035
Dementia	3.00 (1.11–7.94)	0.031
Fracture to operation duration	1.11 (1.04–1.19)	0.002
Postoperative medical complications	4.99 (2.68–9.28)	< 0.001

Bold indicates P values less than 0.05
*Multivariable adjusted for age, dementia, COPD, fracture to operation duration and postoperative medical complications

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