Table 2.
Primary diagnoses for emergency department visit or hospitalization within 42 days after LAIV vaccination
| Event | Events* Among LAIV‐Vaccinated Women, n | Proportion of LAIV‐vaccinated women with ED visit or hospitalization, %, (95% CI) | ||
|---|---|---|---|---|
| ED visit | Hospitalization | ED visit or hospitalization | ||
| Any complication | 5 | 3 | 8 | 5·8 (2·5–11·1) |
| Obstetrical complications | ||||
| Any | 0 | 2 | 2 | 1·4 (0·2–5·1) |
| 643·13 – Hyperemesis gravidarum with metabolic disturbance, antepartum | 0 | 1 | 1 | 0·7 (0·02–4·0) |
| 644·03 – Threatened premature labor, without delivery | 0 | 1 | 1 | 0·7 (0·02–4·0) |
| Cardiopulmonary conditions | ||||
| Any | 1 | 0 | 1 | 0·7 (0·02–4·0) |
| 466·0 – Acute bronchitis | 1 | 0 | 1 | 0·7 (0·02–4·0) |
| Other conditions | ||||
| Any | 4 | 1 | 5 | 3·6 (1·2–8·3) |
| 590·80 – Pyelonephritis, unspecified | 0 | 1 | 1 | 0·7 (0·02–4·0) |
| 789·06 – Epigastric symptoms involving abdomen and pelvis | 1 | 0 | 1 | 0·7 (0·02–4·0) |
| 729·5 – Pain in limb | 1 | 0 | 1 | 0·7 (0·02–4·0) |
| 787·91 – Diarrhea | 1 | 0 | 1 | 0·7 (0·02–4·0) |
| 786·59 – Chest pain; other | 1 | 0 | 1 | 0·7 (0·02–4·0) |
ED, emergency department; LAIV, live attenuated influenza vaccine.
*Excludes visits for delivery. Each woman could contribute only one ED visit and one hospitalization per ICD‐9 code.