Table 2: Kidney disease stage and associated systemic disease.

n ()

Kidney disease stage according to KDIGO classificationG1194 (80.5)
G215 (6.2)
G3A5 (2.1)
G3B3 (1.3)
G415 (6.2)
G56 (2.5)
Unknown3 (1.2)
Systemic diseasesESL51 (21.2)
SHP11 (4.5)
ITP4 (1.7)
Others6 (2.4)

ESL: erythematosus systemic lupus; SHP: Schönlein-Henoch purpura; ITP: immune thrombocytopenic purpura.