Table 1.
Neonatal readmission by length of stay 2003–2005 vs 2008–2010
| Mode of delivery | Length of stay (days) | 2003–2005 |
2008–2010 |
Rate difference | Rate ratio (95% CI) | ||
|---|---|---|---|---|---|---|---|
| N (%) | Neonatal readmission rate per 100 live singleton births | N (%) | Neonatal readmission rate per 100 live singleton births | ||||
| Vaginal | 1 | 7442 (38.1) | 3.68 | 12 831 (46.5) | 4.12 | 0.44 | 1.12 (1.09 to 1.15) |
| 2 | 8119 (41.5) | 4.06 | 10 272 (37.3) | 4.69 | 0.63 | 1.16 (1.12 to 1.19) | |
| 3 | 2701 (13.8) | 4.62 | 2960 (10.7) | 5.58 | 0.97 | 1.21 (1.15 to 1.27) | |
| 4 | 813 (4.2) | 4.61 | 921 (3.3) | 5.55 | 0.95 | 1.21 (1.10 to 1.32) | |
| 5 | 268 (1.4) | 3.90 | 339 (1.2) | 5.21 | 1.32 | 1.34 (1.14 to 1.57) | |
| 6 | 130 (0.7) | 4.30 | 168 (0.6) | 5.55 | 1.25 | 1.29 (1.03 to 1.62) | |
| 7 | 74 (0.4) | 3.76 | 76 (0.3) | 3.96 | 0.20 | 1.05 (0.76 to 1.45) | |
| Overall | 19 547 (100.0) | 3.99 | 27 567 (100.0) | 4.51 | 0.52 | 1.13 (1.11 to 1.15) | |
| Caesarean | 1 | 227 (6.6) | 3.64 | 510 (8.9) | 5.23 | 1.59 | 1.44 (1.23 to 1.68) |
| 2 | 720 (20.8) | 2.21 | 2006 (35.2) | 2.56 | 0.35 | 1.16 (1.07 to 1.26) | |
| 3 | 1566 (45.3) | 1.86 | 2143 (37.6) | 2.11 | 0.25 | 1.14 (1.06 to 1.21) | |
| 4 | 648 (18.7) | 2.44 | 659 (11.6) | 2.98 | 0.54 | 1.22 (1.10 to 1.36) | |
| 5 | 184 (5.3) | 2.82 | 252 (4.4) | 4.21 | 1.40 | 1.50 (1.24 to 1.81) | |
| 6 | 92 (2.7) | 3.79 | 80 (1.4) | 3.45 | −0.34 | 0.91 (0.67 to 1.23) | |
| 7 | 23 (0.7) | 1.72 | 50 (0.9) | 3.39 | 1.67 | 1.97 (1.20 to 3.22) | |
| Overall | 3460 (100.0) | 2.16 | 5700 (100.0) | 2.57 | 0.41 | 1.19 (1.14 to 1.24) | |