Table 2. Multivariable logistic regression analysis of predictors of sepsis after percutaneous nephrolithotomy.

Variables	B	SE	OR	95% CI	P value
Age (year)	−0.021	0.018	0.979	[0.946–1.014]	0.240
BMI (kg/m2)	0.021	0.059	1.021	[0.909–1.148]	0.720
Operation time (h)	0.273	0.297	1.314	[0.734–2.351]	0.358
Stone height ≥20 mm	0.034	0.502	1.035	[0.387–2.768]	0.945
Pre-operative fever	0.828	0.476	2.288	[0.900–5.820]	0.082
Indwelling stent	−0.728	0.684	0.483	[0.127–1.844]	0.287
Diabetes	−0.010	0.700	0.990	[0.251–3.906]	0.989
Hydronephrosis	0.214	0.572	1.238	[0.404–3.797]	0.709
AGR<1.5	1.623	0.763	5.068	[1.135–22.624]	0.033
Positive urine culture	1.176	0.523	3.243	[1.162–9.047]	0.025
Leukocytosis	1.310	0.481	3.706	[1.444–9.512]	0.006
Positive urine nitrite	0.052	0.581	1.053	[0.337–3.287]	0.929
Female	0.928	0.412	2.529	[1.127–5.672]	0.024
Urine WBC ≥ 50 cells/μ	0.706	0.481	2.026	[0.789–5.197]	0.142

Note:

AGR, albumin globulin ratio; WBC, white blood cell; B, regression coefficient; SE, standard error; OR, Odds Risk; CI, confidence interval.