Table 1 Demographic characteristics and laboratory measurements of the studied subjects

 Male, n (%)

260 (52)

57 (6)

36 (12)

32 (13)

 Female, n (%)

237 (48)

848 (94)

298 (88)

223 (87)

 Age (years)

46.2 (11~85)

39.2 (13~82)

38.44 (13~76)

40.3 (13~80)

 UACR (mg/g), M (P25, P75)

8.15 (4.52,10.7)

1197.00 (557.49,2212.39)

131.73 (57.01, 220.48)

 Urinary protein (g/24 h), M (P25, P75)

0.08 (0.04, 0.11)

0.14 (0.09, 0.20)

2.47 (0.95, 3.43)

0.18 (0.08, 0.27)

 Creat (μmol/L)

65.2 ± 12.97

55.1 ± 11.44^a

62.2 (50.7, 87.4)^b

61.2 ± 23.25^abc

 Urea (mmol/L)

5.11 ± 1.17

4.93 ± 1.58^a

6.15 (4.58,8.88)^ab

5.74 ± 2.17^bc

 Urea/Creat

0.08 ± 0.02

0.09 ± 0.03^a

0.10 ± 0.04^ab

0.10 ± 0.03^ab

 CysC (mg/L)

0.80 ± 0.13

0.96 ± 0.23^a

1.22 (1.01, 1.75)^ab

1.09 ± 0.41^abc

 eGFR_CysC [mL/(min·1.73 m²)]

100.3 ± 16.33

85.5 ± 17.12^a

62.9 ± 23.92^ab

78.5 ± 18.68^abc

 eGFR_Creat [mL/(min·1.73 m²)]

121.0 ± 24.37

139.9 ± 36.67^a

112.7 ± 52.76^ab

131.6 ± 40.82^abc

 C1q (mg/L)

182.29 ± 28.91

170.58 ± 35.52^a

153.24 ± 39.57^ab

170.80 ± 36.16^ac