Table 1 Clinical characteristics at baseline.

Male^b

68 (48)

53 (46)

15 (58)

Age (years)^a

42.7 ± 16.3

41.5 ± 15.0

48.2 ± 20.6

BMI (kg/m²)^a

22.2 ± 3.2

22.3 ± 3.3

22.2 ± 3.0

SBP (mmHg)^a

124.1 ± 17.7

122.1 ± 17.1

133.0 ± 18.2

DBP (mmHg)^a

77.9 ± 12.2

77.9 ± 12.3

77.9 ± 12.3

MAP (mmHg)^a

93.3 ± 13.0

92.6 ± 13.1

96.2 ± 12.2

Hypertension^b

47 (33)

35 (30)

12 (46)

sCr (mg/dL)^a

0.94 ± 0.37

0.92 ± 0.32

1.04 ± 0.55

eGFR (mL/min/1.73 m²)^a

70.6 ± 25.9

70.3 ± 23.9

72.2 ± 34.1

IgA (mg/gL)^a

310.7 ± 117.4

301.2 ± 108.4

352.9 ± 146.4

C3 (mg/dL)^a

100.4 ± 18.0

99.7 ± 17.7

103.5 ± 19.5

IgA/C3^a

3.2 ± 1.2

3.1 ± 1.1

3.5 ± 1.3

UP (g/day)^a

0.73 (0.27–1.53)

0.69 (0.26–1.27)

0.90 (0.37–3.09)

Urine occult blood^c

124 (87)

101 (87)

23 (88)

Smoke (never/past/current)^de

81 (62)/33 (25)/16 (12)

66 (63)/26 (25)/13 (12)

15 (60)/7 (28)/3 (12)

Re-biopsy^c

25 (18)

19 (16)

6 (23)

ACE-I or ARB^b

40 (28)

32 (28)

8 (31)

Calcium channel blocker^b

30 (21)

22 (19)

8 (31)

Tonsillectomy^b

86 (61)

74 (64)

12 (46)

Steroid therapy^b

101 (71)

84 (72)

17 (65)

TSP^b

83 (58)

71 (61)

12 (46)