Evidence-based approach to providing informed consent for hip fracture surgery during the COVID-19 era

Table 2 Comparison of outcomes between coronavirus disease 2019 positive and coronavirus disease 2019 negative cohorts

Outcome	Analysis	Negative (n = 146), n (%)	Positive (n = 51), n (%)	Odds ratio2 (95%CI)	P value
Intensive care	Unadjusted	8 (5)	14 (27)	6.53 (2.55, 16.7)	< 0.001
Admission	Adjusted1	-	-	4.64 (1.59, 13.5)	0.005
30-d mortality	Unadjusted	14 (10)	15 (29)	3.93 (1.74, 8.89)	0.001
	Adjusted1	-	-	3.00 (1.22, 7.40)	0.02
		Negative (n = 146), Med [IQR]	Positive (n = 51), Med [IQR]	Hazard ratio2 (95%CI)
Length of stay	Unadjusted	9 [7, 13]	23 [19, 31]	0.28 (0.18, 0.42)	< 0.001
(d)	Adjusted1	-	-	0.26 (0.17, 0.42)	< 0.001

¹Adjusted for: gender, mobility, admission haemoglobin, operative time and time from admission to surgery.

²Expressed as outcome in the coronavirus disease 2019 (COVID-19) positive group relative to the outcome in the COVID-19 negative group.