Table 2 Postoperative recovery of the two groups

Awakening time (min)

41.5±10.8

38.1±10.5

2.022

0.044

Agitation during awakening [n (%)]

14 (17.3)

6 (7.7)

3.324

0.068

Postoperative hospital stay (d)

4.3±1.1

4.6±1.7

−1.167

0.244

VAS score at T3

3.7±1.2

3.6±1.3

0.177

0.859

VAS score at T4

2.1±0.7

1.9±0.8

1.498

0.136

VAS score at T5

1.9±0.8

1.8±0.8

0.578

0.563

Delirium at T3 [n (%)]

18 (22.2)

4 (5.1)

9.739

0.001

Delirium at T4 [n (%)]

8 (9.8)

3 (3.8)

2.243

0.134

Delirium at T5 [n (%)]

2 (2.4)

1 (1.2)

0.302

1.000