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Table 2 Outcomes and side effect of the two test groups

From: Effect of superior laryngeal nerve block in alleviating sore throat after application of i-gel supraglottic airway: a randomized controlled trial

Variables

Group T

(n = 67)

Group B

(n = 67)

P value

OR (95%CI)

The intensity of POST grade: 0:1:2:3

 0.5 h

29:29:9:0

37:30:0:0

0.044

1.99 (1.02–3.88)

 6 h

14:19:29:5

24:39:4:0

 < 0.001

5.07 (2.53–10.14)

 24 h

57:8:2:0

63:4:0:0

0.095

2.81 (0.84–9.48)

Secondary outcomes:

 Cough intensity: 0:1:2

23:28:16

29:34:4

0.039

1.97 (1.04–3.73)

 PONV n (%)

24 (35.8%)

25 (37.3%)

0.850

1.07 (0.53–2.16)

 Agitation n (%)

38 (56.7%)

30 (44.8%)

0.167

0.62 (0.31–1.22)

 Swallowing discomfort

4 (3, 5)

3 (3, 4)

 < 0.001

2.21 (1.63–2.99)

  1. Group T: tetracaine syrup for local lubrication; Group B: bilateral iSLN block
  2. Abbreviations: OR odds ratios, CI confidence interval, POST Postoperative sore throat, PONV Postoperative nausea and vomiting