Table 1 Baseline characteristics of the present patients (n = 24)
CKD stage 3 | CKD stage 4 | CKD stage 5 | |
|---|---|---|---|
n (%) | 10 (41.7) | 7 (29.2) | 7 (29.2) |
Continuous variables, mean (SD) | |||
Age, years | 64.3 (11.1) | 69.9 (8.4) | 73.7 (6.4) |
Cr, mg/dL | 1.35 (0.22) | 2.67 (0.61) | 6.39 (2.22) |
eGFR, mL/min/1.73m2 | 42.8 (9.8) | 19.7 (3.7) | 8.2 (3.5) |
IgG, mg/dL (reference range, 870–1700 mg/dL) | 4424.9 (1387.9) | 4216.1 (1215.9) | 3304.1 (685.6) |
IgG4, mg/dL (reference range, 5–105 mg/dL) | 1706.1 (1360.8) | 659.5 (433.4) | 505.2 (467.5) |
IgG4/IgG ratio | 0.38 (0.19) | 0.18 (0.12) | 0.14 (0.11) |
C3, mg/dL (reference range, 63–134 mg/dL) | 55.2 (37.2) | 36.0 (19.8) | 44.9 (33.3) |
C4, mg/dL (reference range, 13–36 mg/dL) | 12.0 (14.6) | 1.8 (0.9) | 6.4 (6.5) |
Categorical variables, n (%) | |||
Gender, male | 8 (80.0) | 6 (85.7) | 6 (85.7) |
Proteinuria | |||
(−) | 4 (40.0) | 0 (0.0) | 1 (14.3) |
(±) | 3 (30.0) | 2 (28.6) | 0 (0.0) |
(1+) | 3 (30.0) | 5 (71.4) | 5 (71.4) |
(2+) | 0 (0.0) | 0 (0.0) | 1 (14.3) |
g/gCr | 0.27 (0.24) | 0.67 (0.63) | 0.67 (0.19) |
Hematuria | |||
(−) | 7 (70.0) | 4 (57.1) | 3 (42.9) |
(±) | 1 (10.0) | 2 (28.6) | 1 (14.3) |
(1+) | 1 (10.0) | 0 (0.0) | 3 (42.9) |
(2+) | 1 (10.0) | 1 (14.3) | 0 (0.0) |
Histological main stage | |||
Stage A | 5 (50.0) | 1 (14.3) | 0 (0.0) |
Stage B | 3 (30.0) | 6 (85.7) | 6 (85.7) |
Stage C | 2 (20.0) | 0 (0.0) | 1 (14.3) |