Table 3.

Thirty-day mortality rate after total hip replacement following a femoral neck fracture

	Patients	30-day mortality* (95% CI	Hazard ratio** (95% CI
Age
<65 years	326 (25%)	0.7% (0.3-1.6%)	1
≥65 years	976 (75%)	3.0% (1.8-5.0%)	3.4 (1.3-8.9)
Sex
Male	336 (74%)	2.1% (1.0-4.3%)	1
Female	966 (26%)	1.4% (0.8-2.3%)	0.7 (0.3-1.7)
Physical status
P1 (fit and healthy)	184 (14%)	0.7% (0.4-1.5%)	1
P2 or P3 (mild or incapacitating disease)	1,118(86)%	3.7% (2.2-6.3%)	4.5(1.8-11.2)
Prosthesis type
Cemented	710 (55%)	1.8% (1.1-3.2%)	1
Uncemented	350 (27%)	0.9% (0.3-2.6%)	0.5 (0.2-1.9)
Hybrid	242 (19%)	1.7% (0.5-4.4%)	1.0(0.3-3.1)

^*unadjusted

^**adjusted for all other variables in the table