Table 2.

Length of hospital stay (LOS) for patients receiving a total hip replacement following a femoral neck fracture

	Patients	Mean LOS (days)* Mean (95% CI	Difference in mean LOS (days)** Mean (95% CD
Age
<55 years	325 (25%)	14.9 (13.4-15.5)	0
65-74 years	510 (39%)	12.9(11.9-13.9)	-1.9 (-3.9-0.1)
>75 years	466 (36%)	18.7 (17.2-20.2)	3.4 (1.4-5.4)
Sex
Female	336 (74%)	17.0(15.2-18.9)	0
Male	966 (26%)	15.0(14.2-15.8)	-1.8 (-3.6— 0.1)
Physical status
PI (fit and healthy)	184(14%)	13.1 (11.2-15.1)	0
P2 (mild disease)	768 (59%)	14.1 (13.3-15.1)	0.8 (-1.5-3.0)
P3 (incapacitating disease)	350 (27%)	19.7(17.9-21.5)	5.7 (3.2-8.2)
Prosthesis type
Cemented	710 (55%)	15.4(14.5-16.4)	0
Uncemented	350 (27%)	16.0 (14.2-17.8	0.6 (-1.2-2.4)
Hybrid	242 (19%)	15.1 (13.3-16.8)	-0.2 (-2.2-1.9)

^*unadjusted

^**adjusted for all other variables in the table