Application of a protective sleeve is associated with decreased occupational anxiety during endotracheal intubation: a randomized controlled trial

Table 3 Secondary endpoints of the study

Variables	Protective sleeve group (n = 30)	Control group (n = 30)	P- value
Patients’ oppressed feeling	0 (0)	0 (0)	1.000
Baseline oral odour score, n (%)			0.704
0 to 2	27(90.00)	25(83.33)
3 to 5	3(10.00)	5(16.67)
Perception of patients’ oral malodour	0 (0)	5 (16.67)	0.02*
Intubation time(s)	93 (75.75,125.50)	54 (41,83)	< 0.001*
MN distance (cm)	33 (30, 38.25)	36.5 (30.75,42)	0.122
Lifting strength scale, n (%)			0.182
0 to 3	23 (76.67)	16 (53.33)
4 to 6	4 (13.33)	10 (33.33)
7 to 10	3 (10.00)	4 (13.33)
Waist discomfort, n (%)			1.000
No	28 (93.33)	27 (90.00)
Mild	2 (6.67)	3 (10.00)
Moderate	0 (0)	0 (0)
Severe	0 (0)	0 (0)
Shoulder discomfort, n (%)			0.237
No	30 (100)	27 (90.00)
Mild	0 (0)	3 (10.00)
Moderate	0 (0)	0 (0)
Severe	0 (0)	0 (0)
Satisfaction degree of operators, n (%)			0.016*
Totally satisfied	8 (26.67)	1 (3.33)
Relatively satisfied	22 (13.33)	28 (30.00)
Unsatisfied	0(0)	1(3.33)

Lifting strength was assessed by VAS: from 0 (no exertion) to 10 (maximal exertion)
Waist and shoulder discomfort were judged by the 4-point scale: No, Mild, Moderate and Severe
Satisfaction degree was graded as Totally satisfied, Relatively satisfied and Unsatisfied
Values are mean ± SD, median (inter-quartile range) or n (%), *P-value < 0.05

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