Number and percentages of patients with inactive and active diseases in each trimester and 6 weeks after birth
| Inactive disease n (%) | Active disease n (%) | Missing data on disease activity | ||||
| LAI-P=0 | Preterm | LAI-P>0 | LAI-P>0.5 | Preterm | n (%) | |
| First trimester | 69 (56.6) | 10 (14.5) | 53 (43.4) | 5 (4.1) | 15 (28.3) | 58 (32.2) |
| Second trimester | 85 (57.4) | 11 (12.9) | 63 (42.6) | 7 (4.7) | 20 (31.7) | 32 (17.8) |
| Third trimester | 88 (59.9) | 5 (5.7) | 59 (40.1) | 8 (5.4) | 15 (25.4) | 33 (18.3) |
| 6 weeks pp | 90 (59.2) | 9 (10.0) | 62 (40.8) | 11 (7.2) | 21 (33.9) | 28 (15.6) |
LAI-P, Lupus Activity Index in Pregnancy; pp, post partum.