Table 4 The Richmond Agitation Sedation scores at 10, 20, 30, and 60 min after extubation in the two groups. The RASS scores in the PRD group were significantly lower than that in the PR group at t1, t2, t3(P < 0.001). The incidence of EA was significantly lower in the PRD group than in the PR group at t1 (10.0% [6/54] vs. 40.0% [24/36]), t2 (3.3% [2/58] vs. 40.0% [24/36]), t3 (0.0% [0/60] vs. 23.3% [14/46])
Time points | Group | − 1 | 0 | 1 | 2 | 3 | X2 | P values |
|---|---|---|---|---|---|---|---|---|
t1 | PR | 0 | 10 | 26 | 14 | 10 | 42.329 | 0.000* |
PRD | 12 | 25 | 17 | 6 | 0 | |||
t2 | PR | 0 | 17 | 19 | 16 | 8 | 54.262 | 0.000* |
PRD | 21 | 23 | 14 | 2 | 0 | |||
t3 | PR | 5 | 13 | 28 | 14 | 0 | 48.415 | 0.000* |
PRD | 14 | 38 | 8 | 0 | 0 | |||
t4 | PR | 7 | 36 | 17 | 0 | 0 | 2.930 | 0.231 |
PRD | 7 | 42 | 9 | 0 | 0 |