Table 3.
General characteristics of patients before and after PSM matching.
| Parameter | Before | After | ||||||
|---|---|---|---|---|---|---|---|---|
| CAD (n = 5,467) | Control (n = 41,197) | SMD | P value | CAD (n = 5,430) | Control (n = 5,430) | SMD | P value | |
| Age | 67.00 (13.00) | 48.00 (17.48) | 1.233 | <0.001 | 66.92 (13.00) | 67.06 (13.55) | 0.011 | 0.583 |
| Gender = male (%) | 2,660 (48.65) | 20,414 (49.55) | 0.148 | 0.213 | 3,028 (55.76) | 2,965 (54.60) | 0.023 | 0.224 |
| PP | 59.46 (26.73) | 64.02 (24.51) | 0.178 | <0.001 | 59.56 (26.67) | 59.61 (27.21) | 0.002 | 0.923 |
| SBP | 124.76 (37.58) | 117.93 (31.80) | 0.196 | <0.001 | 124.83 (37.47) | 125.25 (37.90) | 0.011 | 0.561 |
| DBP | 63.44 (21.44) | 67.46 (19.28) | 0.197 | <0.001 | 63.52 (21.38) | 63.61 (21.65) | 0.004 | 0.827 |
| BMI | 28.54 (9.68) | 28.34 (7.72) | 0.023 | 0.081 | 28.54 (9.68) | 28.73 (8.16) | 0.021 | 0.269 |
| WBC | 0.04 (0.55) | 0.07 (0.70) | 0.041 | <0.05 | 0.04 (0.55) | 0.02 (0.40) | 0.036 | <0.04 |
| RBC | 4.29 (1.16) | 4.47 (1.13) | 0.152 | <0.001 | 4.29 (1.17) | 4.29 (1.29) | <0.001 | >0.999 |
| PLT | 221.13 (87.96) | 240.99 (85.20) | 0.229 | <0.001 | 221.29 (87.91) | 221.42 (89.17) | 0.002 | 0.940 |
| Hct | 38.71 (10.34) | 39.75 (9.94) | 0.103 | <0.001 | 38.69 (10.37) | 38.62 (11.45) | 0.006 | 0.738 |
| Hb | 13.06 (3.52) | 13.47 (3.40) | 0.118 | <0.001 | 13.06 (3.53) | 13.03 (3.88) | 0.009 | 0.673 |
| Basophil | 0.04 (0.06) | 0.04 (0.06) | 0.043 | >0.999 | 0.04 (0.06) | 0.04 (0.09) | 0.008 | >0.999 |
| Eosinophil | 0.19 (0.20) | 0.17 (0.18) | 0.103 | <0.001 | 0.19 (0.19) | 0.19 (0.24) | 0.011 | >0.999 |
| Lymphocyte | 1.74 (2.35) | 1.88 (2.12) | 0.058 | <0.001 | 1.73 (2.27) | 1.78 (5.17) | 0.013 | 0.514 |
| Monocyte | 0.51 (0.31) | 0.47 (0.27) | 0.121 | <0.001 | 0.51 (0.30) | 0.50 (0.33) | 0.014 | 0.099 |
| CD4 | 0.43 (22.77) | 1.75 (41.21) | 0.040 | <0.05 | 0.43 (22.85) | 0.03 (2.58) | 0.024 | 0.200 |
| CD8 | 0.34 (19.22) | 1.44 (32.22) | 0.041 | <0.05 | 0.34 (19.28) | 0.12 (8.83) | 0.015 | 0.445 |
| Fer | 1.21 (28.81) | 1.15 (16.59) | 0.003 | 0.821 | 1.22 (28.91) | 0.65 (13.94) | 0.025 | 0.191 |
| Hcy | 1.14 (4.23) | 0.85 (2.89) | 0.080 | <0.001 | 1.15 (4.24) | 1.05 (3.99) | 0.024 | 0.206 |
| CRP | 0.33 (0.92) | 0.22 (0.62) | 0.143 | <0.001 | 0.32 (0.86) | 0.31 (1.01) | 0.016 | 0.579 |
| HDL-C | 0.11 (0.38) | 0.13 (0.41) | 0.039 | <0.001 | 0.11 (0.38) | 0.11 (0.39) | 0.004 | >0.999 |
| LDL-C | 1.03 (1.43) | 1.19 (1.57) | 0.102 | <0.001 | 1.04 (1.43) | 1.02 (1.46) | 0.008 | 0.471 |
| TG | 1.52 (1.47) | 1.46 (1.53) | 0.038 | <0.001 | 1.52 (1.47) | 1.52 (2.13) | 0.004 | >0.999 |
| TC | 3.85 (2.10) | 4.30 (2.05) | 0.217 | <0.001 | 3.86 (2.10) | 3.86 (2.27) | 0.001 | >0.999 |
| ApoB | 0.27 (0.44) | 0.29 (0.46) | 0.042 | <0.05 | 0.27 (0.44) | 0.27 (0.44) | 0.001 | >0.999 |
| HbA1c | 0.03 (0.45) | 0.05 (0.54) | 0.038 | <0.05 | 0.03 (0.45) | 0.02 (0.36) | 0.031 | 0.201 |
| HBG | 0.01 (0.30) | 0.02 (0.37) | 0.023 | 0.055 | 0.01 (0.30) | 0.01 (0.26) | 0.025 | >0.999 |
| Scr | 0.68 (15.70) | 0.76 (8.34) | 0.007 | 0.558 | 0.68 (15.75) | 0.34 (6.33) | 0.028 | 0.140 |
| eGFR | 66.27 (30.13) | 89.71 (31.80) | 0.757 | <0.001 | 66.51 (30.01) | 66.83 (31.84) | 0.010 | 0.590 |
| LVEF (%) | 55.2 (8.1) | 54.1 (8.3) | 0.13 | <0.05 | 55.2 (8.1) | 55.3 (8.0) | 0.011 | 0.791 |
| ACEI or ARB (%) | 4,897 (89.5) | 37,500 (91.0) | 0.05 | <0.05 | 4,897 (90.2) | 4,885 (89.9) | 0.014 | 0.661 |
| β (%) | 3,450 (63.1) | 29,031 (70.4) | 0.15 | <0.05 | 3,450 (63.6) | 3,420 (63.0) | 0.010 | 0.783 |
| Antiplatelet agent | 4,905 (89.6) | 12,350 (30.1) | 1.33 | <0.05 | 4,905 (90.2) | 4,885 (89.9) | 0.018 | 0.662 |
Chi-square test for gender, LVEF, ACEI or ARB, β, Antiplatelet Agent. SMD, Standardized Mean Difference; PP, pulse pressure; SBP, systolic blood pressure; DBP, diastolic blood pressure; BMI, body mass index; WBC, white blood cell; RBC, red blood cell; PLT, platelets; Hct, hematocrit; Hb, hemoglobin; CD4, CD4 T cell; CD8, CD8 T cell; Fer, ferritin; Hcy, homocysteine; CRP, c-reactive protein; HDL.C, high-density lipoprotein; LDL.C, low-density lipoprotein; TG, triglyceride; TC, total cholesterol; ApoB, apolipoprotein B; HbA1c, glycated hemoglobin; HBG, fasting blood glucose; Scr, serum creatinine; eGFR, estimated glomerular filtration rate; LVEF, Left Ventricular Ejection Fraction; ACEI or ARB, Angiotensin-Converting Enzyme Inhibitor or Angiotensin II Receptor Blocker; β, Beta-blockers.