Comparison of overall rates of intervention in patient groups in the two time periods
| 1993–94 (Intervention/total) | 2000–01 (Intervention/total) | p value | |
|---|---|---|---|
| Endotracheal intubation | 52/64 (83.9%) | 269/340 (79.1%) | 0.69 |
| Central venous access | 45/64 (70.3%) | 175/338 (51.77%) | 0.006 |
| Arterial access | 52/62 (83.9%) | 234/335 (69.8%) | 0.024 |