Adverse events following influenza A (H1N1) 2009 vaccination in patients with juvenile autoimmune rheumatic diseases (JARD) and controls. Data are n (%).
| Adverse Events | JARD, n = 237 | Control, n = 91 | p |
|---|---|---|---|
| Local reactions | 60 (25.3) | 21 (23.1) | 0.78 |
| Pain | 43 (18.1) | 21 (23.1) | 0.35 |
| Redness | 9 (3.8) | 2 (2.2) | 0.73 |
| Swelling | 3 (1.3) | 2 (2.2) | 0.62 |
| Itching | 19 (8) | 0 (0.0) | 0.003 |
| Systemic reactions | 84 (35.4) | 27 (29.7) | 0.36 |
| Arthralgia | 31 (13.1) | 2 (2.2) | 0.002 |
| Fever | 13 (5.5) | 3 (3.3) | 0.57 |
| Headache | 41 (17.3) | 18 (19.8) | 0.63 |
| Myalgia | 27 (11.4) | 6 (6.6) | 0.22 |
| Sore throat | 9 (3.8) | 5 (5.5) | 0.54 |
| Cough | 16 (6.8) | 5 (5.5) | 0.8 |
| Diarrhea | 8 (3.4) | 2 (2.2) | 0.73 |
| Rhinorrhea | 19 (8) | 3 (3.3) | 0.15 |
| Nasal congestion | 13 (5.5) | 3 (3.3) | 0.57 |