Table 4.
Case-mix adjusted morbidity rates across quintiles of hospital planned caesarean section rates in NSW, 2007–2011
| Hospital quintiles | Maternal morbidity | Neonatal morbidity | Postpartum haemorrhage | Apgar score at 5 minutes <7 | ||||
|---|---|---|---|---|---|---|---|---|
| Rate (95 % CI) | OR (95 % CI) | Rate (95 % CI) | OR (95 % CI) | Rate (95 % CI) | OR (95 % CI) | Rate (95 % CI) | OR (95 % CI) | |
| Planned repeat caesarean | ||||||||
| 1st quintile (low) | 2.1 (1.8, 2.4) | 0.96 (0.70, 1.32) | 2.4 (1.4, 3.4) | 0.86 (0.58, 1.29) | 1.6 (0.7, 2.5) | 1.16 (0.69, 1.96) | 1.1 (0.6, 1.7) | 0.96 (0.70, 1.32) |
| 2nd quintile | 1.9 (1.5, 2.2) | 0.78 (0.57, 1.08) | 2.2 (1.4, 3.1) | 0.97 (0.66, 1.43) | 1.2 (0.2, 2.1) | 0.97 (0.58, 1.62) | 0.9 (0.6, 1.2) | 0.78 (0.57, 1.08) |
| 3rd quintile | 2.1 (1.8, 2.3) | 1.00 | 2.4 (1.7, 3.1) | 1.00 | 1.1 (0.6, 1.6) | 1.00 | 0.9 (0.7, 1.1) | 1.00 |
| 4th quintile | 1.9 (1.5, 2.3) | 0.84 (0.61, 1.14) | 2.2 (1.3, 3.1) | 0.86 (0.58, 1.28) | 0.9 (0.2, 1.5) | 0.71 (0.42, 1.20) | 0.7 (0.6, 0.9) | 0.84 (0.61, 1.14) |
| 5th quintile (high) | 1.9 (1.7, 2.1) | 1.02 (0.73, 1.43) | 2.3 (1.2, 3.5) | 0.73 (0.48, 1.13) | 1.0 (0.5, 1.6) | 0.83 (0.48, 1.43) | 0.9 (0.7, 1.1) | 1.02 (0.73, 1.43) |
| ALL | 2.0 (1.8, 2.2) | – | 2.3 (1.4, 3.2) | – | 1.1 (0.4, 1.9) | – | 0.9 (0.5, 1.3) | – |