Gender-related differences in clinicopathological characteristics and renal outcomes of Chinese patients with IgA nephropathy

Table 2 The association of gender with renal survival by Cox regression analysis before and after frequency matching of SUA levels and eGFR

Model	Hazard ratios (95% CI)	P-value
Before matching
Univariate	1.39 (0.95, 2.03)	0.091
Model 1: age, hypertension	1.12 (0.76, 1.65)	0.584
Model 2: Model 1+ proportion of global glomerulosclerosis, S1, T1, T2	0.95 (0.62, 1.46)	0.824
Model 3: Model 2 + Albumin, Proteinuria	0.97 (0.62, 1.50)	0.876
Model 4: Model 3 + eGFR, SUA	0.59 (0.36, 0.95)	0.029
After matching
Univariate	0.75 (0.48,1.18)	0.220
Model 1: age, hypertension	0.62 (0.39,1.00)	0.052
Model 2: Model 1 + proportion of global glomerulosclerosis, S1, T1, T2	0.73 (0.43,1.24)	0.248
Model 3: Model 2+ Proteinuria	0.72 (0.42,1.23)	0.230

CI confidence interval, eGFR estimated glomerular filtration rate, SUA serum uric acid, S segmental sclerosis, T tubular atrophy/interstitial fibrosis

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