Effect of motivational interviewing on postoperative weight control in patients with obstructive sleep apnea-hypopnea syndrome

Table 1 Comparison of baseline data between the two groups of patients (mean ± SD)

	Control group (n = 42)	Intervention group (n = 46)	t/Z	P value
Age	39.95 ± 11.61	43.54 ± 12.27	-1.351a	0.177
Height	173.41 ± 7.18	169.83 ± 8.91	-1.338a	0.181
Weight	85.81 ± 13.13	84.13 ± 14.98	0.557	0.579
BMI	33.64 ± 2.30	33.72 ± 2.30	-0.165a	0.869
Neck circumference	41.21 ± 4.57	40.65 ± 4.29	0.595	0.553
Waist circumference	101.52 ± 11.83	98.41 ± 10.29	1.319	0.191
Hip circumference	106.79 ± 7.16	107.54 ± 6.96	-0.503a	0.616

^aP < 0.05. BMI: Body mass index.

Table 2 Comparison of obesity-related indicators between the two groups of patients before and after intervention (mean ± SD)

Item	Before intervention		t	P value	After intervention		t	P value
	Control group (n = 42)	Intervention group(n = 46)			Control group (n = 42)	Intervention group (n = 46)
Weight	85.81 ± 13.13	84.13 ± 14.98	0.557	0.579	85.33 ± 12.94	79.80 ± 12.62	2.028	0.046a
BMI	33.64 ± 2.30	33.72 ± 2.30	-0.165	0.869	33.88 0± 2.45	31.937 ± 3.15	3.229	0.002 a
Waist circumference	101.52 ± 11.83	98.41 ± 10.29	1.319	0.191	101.33 ± 11.81	95.91 ± 10.63	2.267	0.026a
Neck circumference	41.21 ± 4.57	40.65 ± 4.29	0.595	0.553	40.75 ± 4.40	38.70 ± 4.57	0.612	0.035a
Hip circumference	106.79 ± 7.16	107.54 ± 6.96	-0.503	0.616	106.57 ± 7.20	104.91 ± 7.31	1.071	0.287

^aP < 0.05. BMI: Body mass index.

Table 3 Complications in the two groups of patients, n (%)

	Control group (n = 42)	Intervention group (n = 46)	χ2	P value
Irritating cough	10 (23.81)	3 (6.52)	5.212	0.022a
Reflux	9 (21.43)	3 (6.52)	4.143	0.042a
Foreign body sensation	8 (19.05)	4 (8.70)	1.998	0.158

^aP < 0.05.

Table 4 Comparison of sleep status of the two groups of patients before and after the intervention (points, mean ± SD)

Items	Before intervention		t	P value	After intervention		t	P value
	Control group (n = 42)	Intervention group (n = 46)			Control group (n = 42)	Intervention group (n = 46)
SRSS	26.29 ± 10.66	26.20 ± 9.41	0.042	0.967	18.17 ± 8.66	14.91 ± 6.11	2.020	0.047a
ESS	9.76 ± 6.82	8.39 ± 7.13	0.921	0.360	7.38 ± 6.42	4.72 ± 4.29	2.265	0.027a

^aP < 0.05. SRSS: Self-Rating Scale of Sleep; ESS: Epworth Sleepiness Scale.