Singh et al
| Traditional care (1996–2000) | Bag only (2001) | Bag and mattress (2006–07) | |
|---|---|---|---|
| n | 230 | 48 | 97 |
| Gestation* (weeks) | 28 (26,29) | 28 (26,29) | 27 (26,29) |
| Birth weight* (g) | 1020 (770, 1219) | 1037 (755, 1180) | 1035 (835, 1220) |
| Admission age* (min) | 18 (12,25) | 20 (17,27) | 23 (17,30) |
| Admission temperature (°C)* | 35.8 (35.0, 36.2) | 36.0 (35.4, 36.6) | 36.9 (36.4, 37.7) |
| <36.5°C (hypothermic) | 192 (83.5%) | 33 (68.8%) | 25 (25.8%) |
| <36.5°C (hyperthermic) | 1 (0.4%) | 2 (4.2%) | 27 (27.8%) |
*Median (1st and 3rd quartiles).