Table 1: Clinical and metabolic characteristics of patients with OSA and normal control.
| Variables | Control | Mild OSA | Moderate-Severe OSA | P |
| Age (years) | 45.08 ± 5.54 | 45.67 ± 6.02 | 47.61 ± 7.35 | 0.270 |
| BMI (kg/m2) | 26.57 ± 2.57 | 26.69 ± 3.03 | 27.10 ± 2.76 | 0.731 |
| ODI | 1.29 ± 0.83 | 9.61 ± 3.73* | 44.11 ± 11.50*# | 0.000 |
| AHI | 1.52 ± 1.64 | 10.97 ± 2.53* | 37.64 ± 13.60*# | 0.000 |
| TC (mmol/l) | 3.94 ± 0.48 | 4.17 ± 0.44 | 4.20 ± 0.42 | 0.053 |
| TG (mmol/l) | 1.29 ± 0.20 | 1.41 ± 0.22 | 1.32 ± 0.21 | 0.116 |
| FBG (mmol/l) | 4.94 ± 0.55 | 5.02 ± 0.51 | 5.21 ± 0.43 | 0.068 |
| PTX-3 (ng/ml) | 1.87 ± 0.73 | 2.62 ± 1.15* | 4.90 ± 1.72*# | 0.000 |
| LVEF (%) | 62.59 ± 8.10 | 61.55 ± 6.64 | 59.06 ± 7.14 | 0.148 |
| E (cm/s) | 75.97 ± 7.40 | 75.40 ± 7.52 | 74.50 ± 6.65 | 0.720 |
| A (cm/s) | 70.93 ± 7.48 | 71.55 ± 5.94 | 74.16 ± 4.23 | 0.069 |
| E/A | 1.06 ± 0.12 | 1.04 ± 0.08 | 0.99 ± 0.09 | 0.051 |
| Em (cm/s) | 10.14 ± 1.39 | 10.14 ± 1.39 | 7.91 ± 1.51*# | 0.000 |
| Am (cm/s) | 9.12 ± 1.44 | 9.52 ± 1.32 | 9.98 ± 1.42 | 0.061 |
| Em/Am | 1.06 ± 0.12 | 0.95 ± 0.23* | 0.81 ± 0.14*# | 0.000 |
| E/Em | 7.60 ± 1.12 | 8.74 ± 2.18* | 9.71 ± 2.21*# | 0.000 |
| Max LAVI (ml/m2) | 11.71 ± 3.07 | 12.87 ± 3.86* | 17.09 ± 5.13* | 0.000 |
BMI: Body Mass Index; ODI: Oxygen Desaturation Index; AHI: Apnea Hypopnea Index; TC: Total Cholesterol;
TG: Triglyceride; FBG: Fasting Blood Glucose; PTX-3: Pentraxin-3; LVEF: Left Ventricular Ejection Fraction;
E: Early Diastolic Peak Transmitral Flow Velocity; A: Late Diastolic Peak Transmitral Flow Velocity;
Em: Peak Early Diastolic Mitral Annular Velocity; Am: Peak Late Diastolic Annular Velocity; LAVI: Left Atrial Volume Index.
Data are presented as mean ± SD. (n = 25 in control group, n = 30 in mild OSA group, n = 36 in moderate-severe OSA group).
*: P < 0.05, mild OSA and moderate-severe OSA groups vs. control; #: P < 0.05, moderate-severe OSA group vs. mild OSA.