Table 4.

Summary results of studies on metabolic syndrome among non-obese OSA

Author	Country	Sample size	Prevalence	Criteria
Kono M. et al	Japan	42	8 (19%)	BMI < 30 kg/m2 and Visceral Fat A was 90 cm
Akahoshi et al	Japan	101	40 (39.6%)	Subjects who had BMI ≥ 25 and waist circumference at ≥ 85 were excluded
Qi-Chang Lin et al	China	113	44 (38.9%)	Subjects who had BMI ≥ 25 and waist circumference at ≥ 90 cm in men and ≥ 80 cm in women were excluded
Present study	India	59	38 (64%)

Subjects with at least two of the following: hypertension, hyperglycemia and dyslipidemia

BMI, Body Mass Index