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Table 3 Comparison of cardiovascular risk factors and obstructive sleep apnea related hypoxia parameters of patients with obstructive sleep apnea (AHI ≥ 5, n = 57) according to the presence of coronary calcium

From: Advanced age and apnea-hypopnea index predict subclinical atherosclerosis in patients with obstructive sleep apnea syndrome

  Coronary artery calcification (−) Coronary artery calcification (+) p
(n = 34) (n = 23)
Age, years 46 ± 10 54 ± 7 0.002
Male/Female 18/16 16/7 0.327
Diabetes mellitus 7 (21%) 10 (44%) 0.064
Hypertension 12 (35%) 9 (39%) 0.988
Smoking 19 (56%) 13 (57%) 0.962
Body mass index, kg/m2 30.3 ± 5.7 31.1 ± 4.3 0.590
Hyperlipidemia 9 (27%) 6 (26%) 0.974
Apnea-hypopnea index 23.7 ± 16.5 (1–65) 35.5 ± 20.1 (1–95) 0.019
Basal oxygen saturation,% 79.5 ± 13.7 73.9 ± 11.1 0.108
Oxygen desaturation index 7.0 ± 8.9 (0–47) 10.8 ± 7.5 (0–27) 0.016