Table 2.

Pathological data of the patients at the time of renal biopsy.

Histological characteristics		C3 < 85 mg/dL	C3 ≥ 85 mg/dL	p-value	OR [95% CI]
		(N = 117)	(N = 467)
TI	None	27 (23.1%)	143 (30.6%)	—	ref
	Mild	57 (48.7%)	251 (53.7%)	0.329	0.74 [0.42, 1.33]
	Moderate to severe	33 (28.2%)	73 (15.6%)	0.004	0.37 [0.20, 0.73]
	Glomerular sclerosis (%)	11.11 [6.70, 25.00]	11.10 [7.11, 20.00]	0.430	3.10 [0.96, 10]

TI: Tubulointerstitial injury.