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.