Table 2. Baseline demographics and other characteristics (quantitative variable).
| Characteristics | Control group |
Test group |
P value | ||
|---|---|---|---|---|---|
| N | mean ± SD or median (IQR) | N | mean ± SD or median (IQR) | ||
| Age (years) | 431 | 70.0 ± 9.4 | 400 | 70.0 ± 9.0 | 0.750 |
| Height (cm) | 431 | 160.2 ± 8.5 | 400 | 160.5 ± 8.8 | 0.561 |
| Weight (kg) | 431 | 63.2 ± 11.4 | 400 | 63.7 ± 12.0 | 0.635 |
| TC (mg/dL) | 431 | 169.5 ± 28.7 | 400 | 169.0 ± 28.6 | 0.591 |
| HDL-C (mg/dL) | 431 | 54.4 ± 14.4 | 400 | 53.6 ± 13.6 | 0.510 |
| LDL-C (mg/dL) | 431 | 90.4 ± 23.5 | 400 | 89.6 ± 22.7 | 0.511 |
| TG (mg/dL) | 431 | 107 (80–154) | 400 | 114 (83–158) | 0.302 |
| hs-CRP (ng/mL) | 69 | 570 (216–1640) | 56 | 698 (409–1585) | 0.268 |
| Adiponectin (µg/mL) | 69 | 8.60 (6.00–11.10) | 56 | 8.00 (6.05–11.55) | 0.880 |
| AST (IU/L) | 431 | 22 (18–28) | 400 | 23 (19–27) | 0.345 |
| ALT (IU/L) | 431 | 19 (15–26) | 400 | 19 (15–27) | 0.473 |
| Serum creatinine (mg/dL) | 431 | 0.87 ± 0.20 | 400 | 0.86 ± 0.21 | 0.711 |
| HbA1c (%) | 431 | 5.70 (5.30–6.20) | 400 | 5.70 (5.35–6.20) | 0.651 |
| No. of cigarettes smoked on average daily (only current smokers) | 34 | 20 (10–20) | 15 | 10 (7–20) | 0.327 |
| Time from enrollment until the first onset of CAD (months) | 429 | 48 (20–92) | 399 | 50 (20–96) | 0.461 |
Two-sample Wilcoxon test was used to evaluate the significance of differences between groups.
AST, aspartate transaminase; ALT, alanine transaminase; CAD: coronary artery disease; hs-CRP, high sensitive C-reactive protein; Hb, hemoglobin; HDL-C, high-density lipoprotein cholesterol; IQR, interquartile range; LDL-C, low-density lipoprotein cholesterol; TC, total cholesterol; TG, triglyceride