Table 1.
Frequency (%) of maternal and infant characteristics
| Pregnancy and infant characteristics† | Patient classification
|
|
|---|---|---|
| Private (n=53 947)* | Public (n=116 759)* | |
| Maternal age (years) | ||
| <20 | 0.5 | 7.1 |
| 20-34 | 77.6 | 80.9 |
| ⩾35 | 21.9 | 12.1 |
| Parity | ||
| 0 | 41.3 | 39.8 |
| 1-3 | 57.0 | 55.8 |
| ⩾4 | 1.8 | 4.4 |
| Pre-existing medical condition | ||
| Yes | 1.5 | 2.1 |
| None reported | 98.5 | 97.9 |
| Obstetric complication | ||
| Yes | 12.8 | 16.0 |
| None reported | 87.2 | 84.0 |
| Hospital type | ||
| Private | 53.0 | 2.0 |
| Public | 47.0 | 98.0 |
| Presentation | ||
| Cephalic | 94.3 | 95.2 |
| Breech | 4.4 | 3.8 |
| Other | 0.6 | 0.7 |
| Plurality | ||
| Singleton | 98.3 | 98.9 |
| Twins | 1.7 | 1.1 |
| Birthweight or gestational age percentile | ||
| 0.0-9.9 | 7.8 | 11.6 |
| 10.0-24.9 | 13.2 | 15.9 |
| 25.0-75.0 | 51.1 | 49.4 |
| 75.1-90.0 | 16.3 | 13.8 |
| 90.1-100 | 11.7 | 9.2 |
| Birth weight (g) | ||
| <2500 | 4.1 | 5.4 |
| 2500-4499 | 94.1 | 92.8 |
| ⩾4500 | 1.8 | 1.7 |
| Gestational age (weeks) | ||
| <37 | 5.5 | 5.9 |
| 37-41 | 92.8 | 91.2 |
| ⩾42 | 1.7 | 2.9 |
| Low risk women | ||
| Primiparas | 21.0 | 17.4 |
| Multiparas | 28.2 | 30.7 |
*
Percentages may not add up to 100 because of missing data.
†
Distribution of these factors significantly (P<0.001) different between private and public patients using χ2 tests.