Table 1. Comparison of clinical data and polysomnography in obstructive sleep apnoea syndrome patients with four kinds of left ventricular geometry (
± s).
| NG (n = 71) | CR (n = 40) | EH (n = 34) | CH (n = 36) | |
|---|---|---|---|---|
| m (%) | 84.50 | 90.00 | 82.40 | 80.60 |
| Age (years) | 42.39 ± 11.27 | 44.90 ± 8.51 | 47.38 ± 11.77 | 50.50 ± 10.96 |
| BMI (kg/m2) | 27.16 ± 3.13 | 27.33 ± 3.96 | 28.88 ± 3.31 | 28.25 ± 4.51 |
| Neck circumference (cm) | 39.61 ± 4.40 | 39.27 ± 4.18 | 40.75 ± 3.85 | 39.76 ± 3.88 |
| Waist circumference (cm) | 97.56 ± 9.63 | 97.26 ± 7.93 | 98.75 ± 10.60 | 100.09 ± 10.82 |
| Hip circumference (cm) | 103.84 ± 6.69 | 103.65 ± 6.79 | 108.86 ± 14.08 | 105.91 ± 7.74 |
| Smoking (%) | 42.86 | 60.00 | 44.12 | 47.22 |
| Obesity (%) | 46.48 | 40.00 | 76.47 | 50.00 |
| Hypertension (%) | 49.44 | 48.50 | 47.06 | 46.44 |
| FG (mmol/L) | 5.75 ± 1.11 | 5.71 ± 1.22 | 6.00 ± 1.81 | 5.71 ± 1.15 |
| TC (mmol/L) | 4.73 ± 0.94 | 4.73 ± 0.98 | 4.62 ± 0.96 | 4.44 ± 0.93 |
| TG (mmol/L) | 1.99 ± 1.00 | 2.12 ± 1.26 | 2.02 ± 0.90 | 2.55 ± 1.70 |
| HDL (mmol/L) | 1.13 ± 0.22 | 1.09 ± 0.23 | 1.11 ± 0.27 | 1.14 ± 0.29 |
| LDL (mmol/L) | 2.66 ± 0.63 | 2.60 ± 0.91 | 2.77 ± 0.84 | 2.40 ± 0.75 |
| dSBP (mmHg) | 129.00 ± 13.22 | 127.55 ± 12.39 | 128.77 ± 13.23 | 130.13 ± 14.08 |
| dDBP (mmHg) | 86.30 ± 8.31 | 83.88 ± 10.32 | 85.12 ± 8.83 | 86.96 ± 8.54 |
| nSBP (mmHg) | 126.83 ± 12.30 | 126.19 ± 14.55 | 129.15 ± 14.96 | 130.35 ± 19.64 |
| nDBP (mmHg) | 85.02 ± 10.07 | 83.71 ± 10.98 | 82.93 ± 11.19 | 86.27 ± 12.35 |
| AHI (/h) | 46.60 ± 27.35 | 47.63 ± 31.23 | 49.37 ± 28.57 | 51.67 ± 34.09 |
| Lowest SaO2 (%) | 64.01 ± 17.88 | 62.88 ± 16.26 | 60.62 ± 19.42 | 59.39 ± 22.32 |
| Mean SaO2 (%) | 91.00 ± 4.08 | 90.63 ± 4.54 | 87.86 ± 9.31 | 86.74 ± 7.42 |
| T90 (%) | 30.00 ± 21.11 | 30.50 ± 19.36 | 31.64 ± 31.55 | 33.18 ± 30.14 |
| ODI (%) | 49.66 ± 31.24 | 51.82 ± 35.41 | 52.68 ± 31.07 | 53.02 ± 38.44 |
| Heart rate (beats/min) | 73.84 ± 9.08 | 74.17 ± 10.47 | 71.09 ± 8.30 | 75.85 ± 20.39 |
Compared with the NG group, *p < 0.05; compared with the CR group, #p < 0.05; compared with EH group, Δp < 0.05. BMI: body mass index; FG: fasting plasma glucose; TC: total cholesterol; TG: triglycerides; HDL: high-density lipoprotein; LDL: low-density lipoprotein; SBP: systolic blood pressure; DBP: diastolic blood pressure; d: day; n: nocturnal AHI: apnoea-hypopnoea index; SaO2: oxygen saturation; T90: percentage of SaO2 less than 90%; ODI: oxygen dissociation index