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Table 1 Baseline characteristics

From: Red blood cell distribution width as long-term prognostic markers in patients with coronary artery disease undergoing percutaneous coronary intervention

Variables Low RDW (n = 2894) High RDW (n = 3152) P value
Age (years) 57.8 ± 10.7 60.9 ± 10.7 < 0.0001
Male [n (%)] 2215 (76.5%) 2280 (72.3%) < 0.0001
Smoking [n (%)] 1236 (42.7%) 1183 (37.5%) < 0.0001
Drinking [n (%)] 925 (32.0%) 841 (26.7%) < 0.0001
Hypertension [n (%)] 1169 (40.4%) 1386 (44%) 0.005
Diabetes [n (%)] 738 (25.5%) 713 (22.6%) 0.009
BMI (kg/m2) 25.91 ± 7.36 26.01 ± 7.06 0.744
SBP (mmHg) 126 ± 18 127 ± 19 0.006
HR (bpm) 75 ± 11 76 ± 11 0.041
WBC(×109/l) 7.39 ± 2.42 7.34 ± 2.41 0.417
RDW(%) 12.54 ± 0.39 13.84 ± 0.90 < 0.0001
PLT(×109/l) 216 ± 58 214 ± 61 0.283
BUN (mmol/l) 5.38 ± 1.55 5.65 ± 1.78 < 0.0001
Cr (mmol/l) 74.69 ± 18.39 77.02 ± 22.09 < 0.0001
UA (mmol/l) 321 ± 88 325 ± 92 0.068
FBG (mmol/l) 6.81 ± 3.79 6.39 ± 3.03 < 0.0001
TG (mmol/l) 1.92 ± 1.25 1.88 ± 1.28 0.234
TC (mmol/l) 3.94 ± 1.09 3.97 ± 1.12 0.241
HDL-C (mmol/l) 1.01 ± 0.44 1.02 ± 0.51 0.264
LDL-C (mmol/l) 2.43 ± 0.89 2.48 ± 0.93 0.090
ApoA-I(g/l) 1.16 ± 0.30 1.16 ± 0.32 0.511
ApoB(g/l) 0.84 ± 0.35 0.86 ± 0.43 0.123
Gensini Score 31 ± 36 33 ± 42 0.182
LVEF(%) 61 ± 7 61 ± 7 0.464
Prior Medication
 Beta-blocker [n (%)] 1175 (40.8%) 1251 (39.8%) 0.436
 ACEI or ARB [n (%)] 658 (22.9%) 708 (22.6%) 0.780
 Statin [n (%)] 1637 (57.1%) 1619 (51.8%) < 0.0001
 Aspirin [n (%)] 2014 (70.1%) 2034 (64.9%) < 0.0001
 Clopidgrel [n (%)] 898 (31.3%) 938 (29.9%) 0.245
 CCB [n (%)] 347 (12.1%) 343 (10.9%) 0.171
  1. ACEI angiotensin-converting enzyme inhibitor, ARB angiotensin receptor antagonist, CCB calcium channel blocker, LVEF left ventricular ejection fraction, SBP systolic blood pressure, HR heart ratio, WBC white blood cell, RDW red cell distribution width, BUN blood urea nitrogen, Cr creatinine, UA Uric Acid, FBG fasting blood glucose, TG triglyceride, TC total cholesterol, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, ApoA-I apolipoprotein AI, ApoB apolipoprotein B