Table 1. Distributions of selected variables in CHD cases and controls.
| Characteristics | NCR | CR | P | |
| Total | 425 | 316 | ||
| Sex | M (%) | 233 (55.1) | 190 (44.9) | 0.149 |
| F (%) | 192 (60.4) | 126 (39.6) | ||
| History of smoking | Y (%) | 90 (59.6) | 61 (40.4) | 0.531 |
| N (%) | 335 (56.8) | 255 (43.2) | ||
| Drinking history | Y (%) | 34 (66.7) | 17(33.3) | 0.163 |
| N (%) | 391 (56.7) | 299 (43.3) | ||
| History of diabetes | Y (%) | 35 (57.4) | 26 (42.6) | 0.997 |
| N (%) | 390 (57.4) | 290 (42.6) | ||
| History of hypertension | Y (%) | 114 (56.2) | 89 (43.8) | 0.686 |
| N (%) | 311 (57.8) | 227 (42.2) | ||
| Combined with APC | Y (%) | 354 (56.1) | 277 (43.9) | 0.098 |
| N (%) | 71 (64.5) | 39 (35.5) | ||
| Age | 63.50±10.68 | 64.03±9.28 | 0.479 | |
| BMI/kg/m2 | 24.27±3.43 | 24.16±3.54 | 0.661 | |
| Systolic pressure/mmHg | 122.52±16.18 | 124.38±14.84 | 0.108 | |
| Diastolic pressure/mmHg | 74.78±10.20 | 75.26±9.21 | 0.509 | |
| Glycated hemoglobin/% | 5.48±0.71 | 5.41±0.52 | 0.151 | |
| Triglyceride/mmol/L | 1.26±0.62 | 1.23±0.61 | 0.561 | |
| Total cholesterol/mmol/L | 4.37±0.93 | 4.45±0.96 | 0.241 | |
| HDL-C/mmol/L | 1.34±0.26 | 1.35±0.25 | 0.850 | |
| LDL-C/mmol/L | 2.93±0.64 | 2.98±0.64 | 0.330 | |
| C-reactive protein/mg/L | 2.20±3.97 | 2.54±5.31 | 0.315 | |
| PLT/109 | 215.42±67.11 | 219.00±63.35 | 0.461 | |
| MPV/fL | 12.55±1.73 | 12.28±1.68 | 0.036* | |
| PCT/% | 0.23±0.07 | 0.23±0.07 | 0.831 | |
| PDW/% | 17.99±3.78 | 18.03±3.88 | 0.900 |
Abbreviation: CR, Clopidogrel resistance; M, Male; F, Female; Y, Yes; N, No; PLT, Platelet count; MPV, Mean platelet volume; PCT, Plateletocrit; PWD, Platelet volume distribution width.
*: P value <0.05 was considered as significant.