An observational cohort study of the effects of septoplasty with or without inferior turbinate reduction in patients with obstructive sleep apnea

Table 1 Baseline values and postoperative values

	Surgery
	Septoplasty		Septoplasty and volume reduction		Overall results
Preoperative values	Mean	SD	Mean	SD	Mean	SD
AHI	18.75	13.36	17.39	14.38	18.15	13.71
ODI	14.29	12.00	14.12	12.73	14.21	12.22
ESS	11.54	3.72	9.74	3.42	10.74	3.67
BMI	28.33	3.40	27.80	3.05	28.10	3.23
Postoperative values	Mean	SD	Mean	SD	Mean	SD
AHI	20.46	14.64	11.70	8.19	16.60	12.90
ODI	14.87	12.25	9.30	7.36	12.42	10.67
ESS	10.00	4.51	7.59	2.18	8.94	3.84
BMI	28.69	3.12	27.77	2.70	28.28	2.95
P-values of the difference
AHI	0.273		0.007		0.365
ODI	0.671		0.064		0.229
ESS	0.004		0.006		<0.001
BMI	0.202		0.716		0.422
P-values of the difference between treatment groups
AHI	0.029
ODI	0.069
ESS	0.454
BMI	0.429

There are no significant differences at baseline between the groups. There is a significant reduction of AHI between the two surgery groups.

ISSN: 1472-6815