Distribution of neonatal outcomes between exposed and nonexposed samples. Values are n unless otherwise specified.
| Variables | Exposed, JIA, n = 1681 | Nonexposed, non-JIA, n = 6724 | p |
|---|---|---|---|
| Stillbirths, n (%) | 4 (0.2) | 7 (0.1) | 0.18 |
| Prematurity, n (%) | 155 (9.2) | 504 (7.5) | 0.02 |
| Small for gestational age, n (%) | 235 (14.0) | 776 (11.5) | 0.006 |
| Major congenital malformation, n (%) | 152 (9.0) | 92 (1.4) | < 0.001 |
| Neurologic | 30 | 3 | |
| Eye, ear, face, neck | 28 | 4 | |
| Heart and circulatory | 20 | 39 | |
| Respiratory | 1 | 1 | |
| Digestive | 7 | 5 | |
| Genital | 22 | 10 | |
| Urinary | 1 | 6 | |
| Musculoskeletal | 35 | 12 | |
| Integument | 0 | 0 | |
| Chromosomal | 2 | 5 | |
| Other | 6 | 7 | |
| Congenital heart defect, n (%) | 18 (1.1) | 39 (0.6) | 0.03 |
| Neural tube defect, n (%) | 27 (1.6) | 2 (0.03) | < 0.001 |
JIA: juvenile idiopathic arthritis.