Table 3 Laboratory parameters at 15 months of follow-up compared with the baseline
|  | Group A (n = 34) | Group B (n = 41) | Group C (n = 46) | P value |
|---|---|---|---|---|
Serum IgG at 15 months (g/L) | 12.23 ± 3.88 | 11.32 ± 4.20 | 12.26 ± 4.48 | 0.568 |
IgG returned to normal (%) | 43.8 (14/32) | 40 (16/40) | 60.9 | 0.120 |
IgG reduction ≥ 50% (%) | 31.3 (10/32) | 27.5 (11/40) | 25 (54.3) | 0.023# |
Serum IgG4 at 15 months (mg/L), M (Q1–Q3) | 2730 (1199–4768) | 1140 (679–2795) | 3445 (1004–8340) | < 0.001# |
IgG4 returned to normal (n, %) | 7 (20.6) | 19 (46.3) | 13 (28.3) | 0.035# |
IgG4 reduction ≥ 50% (n,%) | 23 (67.6) | 28 (60.9) | 39 (84.8) | 0.121 |
Serum IgE of 15 months (KU/L), M (Q1–Q3) | 218 (68.5–496.5) | 118 (30.8–427) | 163.5 (38.9–428.8) | 0.201 |
IgE returned to normal (%) | 14.8 (4/27) | 24.1 (7/29) | 21.1 (8/38) | 0.677 |
IgE reduction ≥ 50% (%) | 29.6 (8/27) | 44.8 (13/29) | 57.9 (22/38) | 0.078 |