Risk factors of concurrent urinary sepsis in patients with diabetes mellitus comorbid with upper urinary tract calculi

Table 5 Logistic multivariate regression

Factors	β	Standard error	χ2	P value	OR	95%CI
						Lower limit	Upper limit
Gender	0.794	0.335	5.603	0.018	2.212	1.146	4.268
Age	0.941	0.346	7.408	0.006	2.563	1.301	5.047
History of lumbago and abdominal pain	0.901	0.348	6.700	0.010	2.462	1.245	4.871
Symptoms of urinary tract irritation	0.628	0.379	2.753	0.097	1.875	0.892	3.939
Operation time	-1.071	0.345	9.619	0.002	0.342	0.174	0.674
U-LEU	1.972	0.602	10.725	0.001	7.182	2.207	23.373
U-NIT	0.491	0.339	2.101	0.147	1.634	0.841	3.172
U-GLU	1.541	0.509	9.171	0.002	4.668	1.722	12.652

U-LEU: Urinary leukocytes; U-NIT: Urinary nitrite; U-GLU: Urinary glucose.