Table 2 Comparison of kidney function among different IF grades of immunoglobulin and complement
Parameters | n | eGFR, ml/min per 1.73m2 | Ptrend | Urea, mmol/L | Ptrend | Crea, μmol/L | Ptrend | |
|---|---|---|---|---|---|---|---|---|
IgG | Neg | 126 | 89.7(84.1–95.4) | 0.054 | 6.33(5.72–6.94) | 0.167 | 100.7(92.0–109.5) | 2.94E-5 |
+ | 33 | 98.9(88.5–109.3) | 5.42(4.32–6.51) | 85.0(74.6–95.4) | ||||
++ | 77 | 101.7(96.5–107.0) | 5.49(4.98–6.00) | 76.0(70.7–81.3) | ||||
IgM | Neg | 230 | 95.2(91.4–99.0) | 0.359 | 5.93(5.52–6.33) | 0.326 | 90.0(84.6–95.4) | 0.133 |
+ | 6 | 83.6(49.2–117.9) | 5.97(4.84–7.09) | 107.7(67.2–148.2) | ||||
IgA | Neg | 139 | 102.1(98.1–106.1) | 8.99E-4 | 5.75(5.21–6.27) | 0.036 | 77.5(73.7–81.4) | 2.06E-6 |
+ | 37 | 75.8(64.6–87.0) | 6.34(5.55–7.13) | 117.7(101.5–133.8) | ||||
++ | 60 | 90.1(81.8–98.5) | 6.09(5.25–6.93) | 103.6(89.1–118.2) | ||||
C3 | Neg | 114 | 99.4(94.2–104.7) | 0.080 | 5.89(5.29–6.49) | 0.269 | 85.3(78.7–92.0) | 0.195 |
+ | 108 | 90.3(84.4–96.2) | 6.07(5.49–6.65) | 96.1(87.2–104.9) | ||||
++ | 14 | 94.4(80.8–108.0) | 5.18(4.14–6.22) | 89.0(64.7–113.4) | ||||
C4 | Neg | 236 | 94.9(91.2–98.7) | – | 5.93(5.53–6.32) | – | 90.5(85.1–95.8) | – |