Table 1 Eligibility criteria for four models of weaning units
Unit A | Unit B | Unit C | Unit D | |
|---|---|---|---|---|
Minimum period of consecutive ventilation | 21 days | 21 days | 21 days | 21 days |
Minimum period free from RRT prior to transfer | 7 days | 2 days | RRT allowed | RRT allowed |
Minimum period free from vasoactive treatment prior to transfer | 7 days | 2 days | 7 days | 2 days |