Table 1. Comparison of demographic and clinical characteristics of patients who developed end-stage renal disease (group 1) and those who did not (group 2).

	Group 1	Group 2	P value
No. of patients	145	3938
Male/female	89/56	2591/1347	0.27
Age (years)	12.00 ± 4.83	7.91 ± 5.16	<0.001*
Respiratory tract infection	17 (11.7%)	868 (22.0%)	0.003*
Atopy history	18 (12.4%)	450 (11.4%)	0.71
Complication	21 (14.5%)	399 (10.1%)	0.09
ARF	6 (4.1%)	44 (1.1%)	0.001*
SBP	2 (1.4%)	42 (1.1%)	0.67
Cellulitis	3 (2.1%)	42 (1.1%)	0.21
UTI	7 (4.8%)	259 (6.6%)	0.40
Hypertensive encephalopathy	3 (2.1%)	2 (0.05%)	0.001*
Thromboembolism	0 (0%)	10 (0.25%)	1
Histologic subtype
Focal and segmental glomerulosclerosis	26 (17.9%)	103 (2.6%)	<0.001*
Unspecified or other pathologic lesion	119 (82.1%)	3835 (97.4%)
Yearly number of admissions
1st year	1.62 ± 3.31	0.80 ± 1.58	0.003*
2nd year	0.72 ± 1.89	0.30 ± 1.00	0.010*
3rd year	0.53 ± 1.30	0.18 ± 0.83	0.002*
Total admissions during follow-up	3.86 ± 6.03	1.81 ± 4.26	<0.001*
Time of follow-up	8.29 ± 3.91	7.68 ± 3.80	0.06

*P < 0.05 in univariate analysis.

ARF, acute renal failure; SBP, spontaneous bacterial peritonitis; UTI, urinary tract infection.