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Comparison of Extubation time and recovery score of the two groups (n = 30, 
)
| Groups | ANH group | Control group | P |
|---|---|---|---|
| Extubation time(min) | 54.57 ± 10.23 | 35.67 ± 7.10* | 0.000 |
| Aldrete score | 7.36 ± 1.01 | 8.87 ± 0.83* | 0.000 |
Compared with ANH group, *P < 0.05
