Table 1.

Characteristics of hydronephrosis group and non-hydronephrosis group among patients with cervical cancer.

	Hydronephrosis
	No (n = 1780)		Yes (n = 445)
Characteristics	n	%	n	%	P value
Age (yr)					1.00
18–50	520	29.21	130	29.21
50–65	644	36.18	161	36.18
>65	616	34.61	154	34.61
Mean ± SD	58.67 ± 14.10	58.78 ± 14.03	0.88
Comorbidities
Diabetes	322	18.09	111	24.94	.001
Hypertension	676	37.98	191	42.92	.05
CKD	152	8.54	125	28.09	<.0001
Previous cancer	70	3.93	18	4.04	.91
Follow-up (yr)	5.80 ± 4.81	4.70 ± 4.18	<.0001

Data shown as n (%) or mean ± SD.

CKD = chronic kidney disease; the status of CKD was defined as the occurrence during follow-up period, exclude tuberculosis (all study period), CKD and urinary stones history (before index date), using 1:4 frequency matching based on age and index year.

^∗P < .05

^∗∗P < .01

^∗∗∗P < .001.