Table 4
Outcome by infant:staff ratios, pooled over 9 shifts (divided into terciles) with crude odds ratio (OR) of mortality and adjusted mortality OR (adjusted for CRIB only, CRIB, and dependency)
| Infant:staff pooled ratios | CRIB mean (SD) | Survived | Died (% of total) | Total | Crude OR (95% CI) | Adjusted OR (95% CI) (CRIB) | Adjusted OR (95% CI) (CRIB & Dependency) |
|---|---|---|---|---|---|---|---|
| 1.16–1.58 (low) | 3.79 (4.05) | 202 | 30 (12.9) | 232 | |||
| 1.59–1.70 | 4.40 (4.27) | 193 | 37 (16.1) | 230 | 1.29 (0.77 to 2.17) | 1.05 (0.55 to 2.00) | 0.84 (0.42 to 1.66) |
| 1.71–1.97 | 3.71 (3.69) | 217 | 13 (5.7) | 230 | 0.40 (0.21 to 0.80) | 0.32 (0.15 to 0.71) | 0.18 (0.06 to 0.5) |
