TABLE 5.

Independent predictors of PJI

Variable	P value	HR (95% CI)
Gender (male)	<0.001	3.875 (2.091–7.183)
BMI
<30 kg/m2 (reference)		1
30–35 kg/m2	0.510	1.266 (0.628–2.554)
≥35 kg/m2	0.006	2.932 (1.370–6.275)
Lung disease	0.017	2.463 (1.178–5.151)
Red blood cell transfusion	<0.001	3.703 (1.896–7.231)
CT group vs C group	0.006	0.355 (0.170–0.740)