Group | n | Length of stay in ICU | Number of deaths (rate) |
Control group | 30 | 25.3 ± 4.9 | 7 (23) |
Observation Group | 30 | 20.1 ± 3.5 | 1 (3) |
Statistics |
| t = 18.25 | χ2 = 5.19 |
P |
| 0.04* | 0.03* |