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

Table 3 Comparison of imaging indexes

Factors		Occurrence group (n = 78)	Nonoccurrence group (n = 126)	χ2	P value
Lateral classification of calculi				1.494	0.221
	Left	48	88
	Right	30	38
Obstruction position				2.938	0.086
	Ureter	64	90
	Kidney	14	36
Maximum diameter of calculi				0.048	0.825
	≥ 20 mm	39	65
	< 20 mm	39	61
Degree of hydronephrosis				0.400	0.526
	Yes	11	22
	No	67	104