Table 1.
Characteristics of pregnant or postpartum women admitted to intensive care units with 2009 H1N1 infection. Values are numbers (percentages) unless stated otherwise
| Characteristics | Pregnant or postpartum women |
|---|---|
| Age (years) at admission to intensive care unit: | n=64 |
| Median (range) | 27 (16-42) |
| <20 | 7 (11) |
| 20-34 | 41 (64) |
| ≥35 | 16 (25) |
| Ethnicity: | |
| White | 37 (58) |
| Aboriginal or Torres Strait Islanders | 13 (20) |
| Maori or Pacific Islanders | 8 (13) |
| Other | 6 (9) |
| Gravidity: | n=63 |
| 1 | 15 (24) |
| 2-4 | 33 (52) |
| >5 | 15 (24) |
| Parity: | n=63 |
| Nulliparous | 19 (30) |
| 1 previous | 19 (30) |
| ≥2 previous | 25 (40) |
| Body mass index (kg/m2): | n=59 |
| <25.0 | 19 (32) |
| 25.0-29.9 | 15 (25) |
| 30.0-34.9 | 12 (20) |
| ≥35.0 | 13 (22) |
| Documented coexisting illness | |
| Present: | 36 (56) |
| Asthma | 21 (33) |
| Valvular or congenital heart disease | 4 (6) |
| Depression (receiving treatment) | 3 (5) |
| Diabetes | 2 (3) |
| Essential hypertension | 2 (3) |
| Absent | 28 (44) |
| Onset of any new obstetrical problem during pregnancy*: | 16 (25) |
| Gestational diabetes | 6 (9) |
| Pregnancy induced hypertension or pre-eclampsia | 7 (11) |
| Chorioamnionitis | 2 (3) |
| Other problem | 3 (5) |
*Some women had more than one obstetrical problem.