Table 3. The A2,6 sialic acid levels of IgA1 in the supernatant and precipitates.
| Groups | n | Sialic acid level of IgA1 in supernatant | Sialic acid level of IgA1 in precipitates |
|---|---|---|---|
| Controls | 20 | 80·17 ± 15·63 | 79·89 ± 25·17 |
| Mild mesangial proliferative IgAN patients | 20 | 90·44 ± 28·55 | 82·00 ± 23·41 |
| Focal proliferative sclerosing IgAN patients | 20 | 90·91 ± 21·32 | 62·12 ± 24·50 |
| Supernatant | Precipitates | ||
| Controls versus mild IgAN | P = 0·095 | P = 0·779 | |
| Controls versus focal IgAN | P = 0·435 | P = 0·034 | |
| Mild IgAN versus focal IgAN | P = 0·367 | P = 0·018 |