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Table 2 Findings during recovery from general anaesthesia and recovery outcomes

From: BIS-guided sedation prevents the cough reaction of patients under general anaesthesia caused by extubation: a randomized controlled trial

 

Group S

Group C

χ2/k/z/t

p

Incidence of induced cough#

1 (51)

11 (50)

7.530

0.006

Scores of coughb

1 (1, 1)

1 (1, 2)

−2.782

0.005

Tracheal tube toleranceb

0 (0, 1)

1 (1, 3)

−4.456

< 0.001

Incidence of emergence agitation*

0 (51)

8 (50)

-

0.027

Active extubation rate*

0 (51)

5 (50)

-

0.003

Peak expiratory flow at spontaneous breathinga (L/min)

5 (5, 7)

8 (5, 10)

−14.15

< 0.001

Peak expiratory flow at extubationa (L/min)

6.5 (6, 8)

21 (9, 32)

−17.99

< 0.001

BISc

69 ± 3

99 ± 1

72.13

< 0.001

SpO2c

99 ± 1

99 ± 1

0.6909

0.4913

Time to extubation (min)

12 ± 4

6 ± 3

8.993

0.0391

Duration of PACU stayc (min)

49 ± 4

40 ± 5

9.367

< 0.001

Incidence of postoperative cough#

6 (51)

9 (50)

0.776

0.378

Incidence of postoperative pharyngeal pain#

11 (51)

13 (50)

0.274

0.601

  1. #Pearson chi-square test. *Fisher’s exact test. aMann-Whitney U-test. bWilcoxon rank-sum test. cIndependent samples t-test