. Author manuscript; available in PMC: 2013 Nov 10.

Published in final edited form as: Ann Saudi Med. 2012 Jul-Aug;32(4):384–390. doi: 10.5144/0256-4947.2012.384

Table 3.

Statistical comparison of the basic measurements in the different obstructive sleep apnea syndrome groups.

	Group 1 vs 2^a	Group 2 vs 3^a	Group 1 vs 3^a

Systolic blood pressure	.145	.017	.006
Diastolic blood pressure	.281	.042	.011
Interventricular septum thickness in diastole	.498	.001	.090
Posterior left ventricular wall thickness in diastole	.150	.111	.019
Left ventricular mass	.452	.001	.017
Left ventricular mass index	.937	.001	.043
Myocardial performance index	.001	.495	.001

Data are presented as P values obtained using the Mann-Whitney U test.

Group 1: apnea-hypopnea index (AHI)=5–14, Group 2: AHI=15–29, Group 3: AHI=≥30.