Evaluating the Role of the Jaw Thrust Maneuver During Tracheal Intubation in Reducing the Incidence of Postoperative Sore Throat: A Prospective Randomized Study

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Figure 1.
Consolidated Standards of Reporting Trials (CONSORT) flow diagram. JT, jaw thrust; NJT, non–jaw thrust.
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Figure 2.
Incidence of sore throat at postextubation time points by group. JT, jaw thrust group; NJT, non–jaw thrust group.

Table 1.

Clinical Characteristics by Group

Variable	Jaw Thrust Group, n=49	Non–Jaw Thrust Group, n=50	P Value
Age, years, mean ± SD	37.37 ± 13.48	37.45 ± 12.66	0.985
Weight, kg, mean ± SD	58.68 ± 11.74	58.10 ± 12.23	0.880
Body mass index, kg/m², mean ± SD	25.16 ± 4.16	25.66 ± 3.90	0.697
Smoker			0.570
Yes	1 (2.0)	2 (4.0)
No	48 (98.0)	48 (96.0)
Mallampati grade			0.776
I	33 (67.3)	35 (70.0)
II	16 (32.7)	15 (30.0)
American Society of Anesthesiologists physical status			0.621
I	30 (61.2)	33 (66.0)
II	19 (38.8)	17 (34.0)
Time of laryngoscopy, seconds, mean ± SD	18.53 ± 7.46	23.45 ± 5.15	0.021
Cormack-Lehane grade			0.205
I	30 (61.2)	22 (44.0)
IIa	16 (32.7)	22 (44.0)
IIb	3 (6.1)	6 (12.0)
Percentage of glottic opening score, mean ± SD	75 ± 17.68	67.5 ± 20.58	0.204
Duration of surgery, minutes, mean ± SD	69.79 ± 24.20	70.20 ± 21.39	0.956
Incidence of sore throat	20 (40.8)	33 (66.0)	0.0208
Heart rate, mean ± SD
Before laryngoscopy	82.63 ± 8.254	82.35 ± 10.236	0.925
2 minutes after laryngoscopy	96.32 ± 8.334	93.85 ± 8.628	0.370
Arterial pressure, mean ± SD
Before laryngoscopy	89.42 ± 7.221	87.50 ± 8.262	0.444
2 minutes after laryngoscopy	96.26 ± 6.306	96.15 ± 5.842	0.954
Jaw discomfort	5 (10.2)	3 (6.0)	0.204

Notes: Data are presented as n (%) unless otherwise indicated. Statistical significance is identified with bold.

Table 2.

Severity of Sore Throat at Postextubation Time Points by Group

Postextubation Time Point, hours	Sore Throat Grade	Jaw Thrust Group, n=49	Non–Jaw Thrust Group, n=50	P Value
0	I	4 (8.2)	6 (12.0)	0.639
	II	1 (2.0)	2 (4.0)
	III	0	0
2	I	6 (12.2)	8 (16.0)	0.677
	II	2 (4.1)	3 (6.0)
	III	0	0
4	I	6 (12.2)	13 (26.0)	0.446
	II	3 (6.1)	8 (16.0)
	III	1 (2.0)	1 (2.0)
8	I	8 (16.3)	13 (26.0)	0.377
	II	1 (2.0)	7 (14.0)
	III	0	0
12	I	3 (6.1)	11 (22.0)	0.567
	II	1 (2.0)	4 (8.0)
	III	0	0
24	I	2 (4.1)	8 (16.0)	0.606
	II	1 (2.0)	3 (6.0)
	III	0	0