| Treatment group1 | Serum IgG mg/dl | IgG category2, n (n dead) | Initial weight, kg | Weight category3, n | ||||||
| Mean | SD | Total | APT | PFPT | Mean | SD | Low | Mid | High | |
| CS | 1180 | 990 | 55 (3) | 47 (1) | 8 (2) | 41.7 | 4.7 | 10 | 25 | 20 |
| UC | 1188 | 992 | 55 (4) | 46 (1) | 9 (3) | 42 | 5.2 | 18 | 25 | 12 |
| TOTAL | 1182 | 990 | 110 (7) | 93 (2) | 17 (5) | 41.8 | 5.1 | 28 | 50 | 32 |