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Table 1 Comparisons of the baseline clinical characteristics between the ISR and non-ISR groups

From: A prediction model based on platelet parameters, lipid levels, and angiographic characteristics to predict in-stent restenosis in coronary artery disease patients implanted with drug-eluting stents

Parameters ISR (n = 56) Non-ISR (n = 912) t/ χ2 P
Age, year 59.60 ± 10.88 58.95 ± 10.83 −0.43 0.666
Male, n (%) 47 (83.93) 713 (78.18) 1.03 0.309
Smoking, n (%) 33 (58.93) 465 (50.99) 1.33 0.248
Alcohol consumption, n (%) 7 (12.50) 164 (17.98) 1.09 0.296
BMI, kg/m2 25.69 ± 3.27 26.20 ± 3.6 0.95 0.341
Waist circumference, cm 92.87 ± 15.12 92.14 ± 13.45 −0.31 0.758
blood glucose, mmol/L 6.34 ± 3.01 6.48 ± 2.94 0.35 0.729
SBP, mmHg 149.08 ± 31.83 137.39 ± 32.85 −2.5 0.013*
DBP, mmHg 99.17 ± 23.46 96.08 ± 25.04 −0.87 0.385
Ejection fraction, % 61.48 ± 7.18 61.02 ± 6.15 0.41 0.686
Medical history
 Hypertension, n (%) 32 (57.14) 429 (47.04) 2.16 0.168
 Diabetes, n (%) 12 (21.43) 190 (20.83) 0.01 0.915
 MI, n (%) 23 (41.07) 239 (26.21) 5.91 0.015*
 Arrhythmia, n (%) 1 (1.79) 60 (6.58) 2.05 0.152
 Stroke, n (%) 0 (0.00) 21 (2.3) 1.32 0.251
Laboratory results
 WBC, ×109/L 7.47 ± 2.16 7.28 ± 2.09 −0.65 0.517
 MO, % 7.07 ± 2.35 6.72 ± 2.38 −1.35 0.178
 Platelet count, ×106/L 214.02 ± 57.76 216.43 ± 62.67 0.28 0.781
 MPV, fl 10.28 ± 1.64 10.38 ± 1.44 0.48 0.634
 PCT, % 0.23 ± 0.12 0.23 ± 0.09 −0.17 0.868
 PDW, % 16.65 ± 2.37 15.78 ± 2.62 −2.41 0.016*
 TC, mmol/L 4.77 ± 1.91 4.15 ± 1.56 −2.74 0.006*
 TG, mmol/L 3.69 ± 6.28 2.59 ± 4.18 −1.77 0.076
 HDL, mmol/L 1.21 ± 1.44 1.01 ± 0.4 −2.71 0.007*
 LDL-C, mmol/L 2.82 ± 1.14 2.46 ± 0.9 −2.74 0.006*
 ApoA1, g/L 1.50 ± 1.95 1.45 ± 1.71 −0.21 0.835
 GSP, mmol/L 6.12 ± 15.25 3.83 ± 9.61 −1.64 0.102
 Lipoprotein(a), mmol/L 237.62 ± 221.45 214.31 ± 190.05 −0.81 0.419
 Creatine, μmol/L 78.61 ± 26.63 74.32 ± 21.06 −1.44 0.151
 Uric acid, μmol/L 312.99 ± 121.06 316.27 ± 102.75 0.23 0.820
 Model 5.85 ± 0.80 5.36 ± 0.69 −4.73 0.000*
  1. * P < 0.05, compared with non-ISR group. Abbreviations: ISR in-stent restenosis, BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, MI myocardial infarction, PDW platelet distribution width, LDL-C low-density lipoprotein cholesterol, HDL high density lipoprotein, TC total cholesterol, TG triglyceride, PCT plateletcrit, MPV mean platelet volume, GSP glycated serum protein