Table 2 Comparison of serum biomarkers of patients with OSA according to the presence of arteriosclerosis
|  | All patient ( n = 104) | OSA without arteriosclerosis ( n = 76) | OSA with arteriosclerosis ( n = 28) | p value |
|---|---|---|---|---|
Carotid ultrasound | ||||
 PWV_ES (m/s) | 5.73 ± 1.25 | 6.89 ± 1.41 | 9.43 ± 2.04 | 0.01 |
 PWV_BS (m/s) | 7.57 ± 1.95 | 5.34 ± 0.91 | 6.79 ± 1.42 | 0.01 |
Carotid IMT (mm) | 0.56 (0.50–0.64) | 0.56 (0.52–0.62) | 0.57 (0.49–0.68) | 0.84 |
 Sleep characteristics | ||||
 AHI (events/h) | 54.69 ± 27.12 | 51.08 ± 26.36 | 64.51 ± 21.19 | 0.02 |
 Mean apnea duration (s) | 23.57 ± 8.90 | 26.32 ± 7.83 | 28.29 ± 10.96 | 0.55 |
 Longest apnea duration (s) | 50.40 ± 26.35 | 66.59 ± 25.30 | 61.71 ± 17.63 | 0.18 |
 Lowest SpO2 (%) | 75.65 ± 12.06 | 70.05 ± 13.80 | 73.83 ± 14.40 | 0.43 |
 Mean SpO2 (%) | 92.48 ± 4.54 | 89.05 ± 6.63 | 91.07 ± 4.12 | 0.66 |
 SIT90 (%) | 13.01 ± 17.32 | 11.97 ± 13.87 | 13.55 ± 19.00 | 0.75 |
 OSA Severity |  |  |  | 0.45 |
 Mild–moderate (n/%) | 25 (24%) | 20 (80%) | 5 (20%) |  |
 Severe (n/%) | 79 (76%) | 56 (71%) | 23 (29%) |  |