Table 2.
Live twin births, Australia, 2001-2010
| Infant characteristics | Number & percentage |
|---|---|
| Total | 85,925 (100.0 %) |
| Sex | |
| Male | 43,153 (50.2 %) |
| Female | 42,706 (49.7 %) |
| Not stated | 66 (0.1 %) |
| Birthweight (g) | |
| < 1500 | 7461 (8.7 %) |
| 1500-2499 | 35,689 (41.5 %) |
| 2500-2999 | 30,403 (35.4 %) |
| 3000-3999 | 12,262 (14.3 %) |
| > =4000 | 68 (0.1 %) |
| Not stated | 42 (0.0 %) |
| Gestational age (weeks) | |
| 20-27 | 2845 (3.3 %) |
| 28-31 | 5501 (6.4 %) |
| 32-36 | 37,745 (43.9 %) |
| 37-41 | 39,792 (46.3 %) |
| > =42 | 26 (0.0 %) |
| Not stated | 16 (0.0 %) |
| Presentation | |
| Vertex | 58,727 (68.3 %) |
| Breech | 23,605 (27.5 %) |
| Other | 2566 (3.0 %) |
| Not stated | 1027 (1.2 %) |
| Apgar score at 5 minutes | |
| 0-3 | 1124 (1.3 %) |
| 4-6 | 1810 (2.1 %) |
| 7-10 | 82,849 (96.4 %) |
| Not stated | 142 (0.2 %) |
| Resuscitation | |
| Yes | 46,427 (54.0 %) |
| No | 34,581 (40.2 %) |
| Not stated | 4917 (5.7 %) |
| Admission to NICU | |
| Yes | 47,674 (58.6 %) |
| No | 33,370 (41.0 %) |
| Not stated | 278 (0.3 %) |
| Length of stay | |
| Less than 1 day | 2645 (3.1 %) |
| 1 day | 1502 (1.7 %) |
| 2 day | 2582 (3.0 %) |
| 3 day | 5102 (5.9 %) |
| 4 day | 9289 (10.8 %) |
| 5 day | 12,231 (14.2 %) |
| 6 day | 9704 (11.3 %) |
| 7-13 days | 21,520 (25.0 %) |
| 14-20 days | 9138 (10.6 %) |
| 21-27 days | 4858 (5.7 %) |
| 28 or more days | 7204 (8.4 %) |
| Not stated | 150 (0.2 %) |