Table 3.
Univariate Cox regression analysis identifying the variables with p values less than 0.25
| HR | 95% CI | P | |
|---|---|---|---|
| Age | 0.986 | 0.955-1.018 | 0.374 |
| Male | 1.112 | 0.542-2.282 | 0.772 |
| Previous history | |||
| Smoking | 1.157 | 0.564-2.374 | 0.690 |
| Diabetes mellitus | 0.943 | 0.460-1.934 | 0.872 |
| Hypertension | 0.878 | 0.428-1.800 | 0.722 |
| Admission heart rate | 0.998 | 0.976-1.021 | 0.861 |
| Admission SBP | 0.995 | 0.975-1.016 | 0.642 |
| Admission DBP | 1.003 | 0.991-1.014 | 0.665 |
| LVEF | 0.958 | 0.929-0.988 | 0.006 |
| Duration of hospitalization (d) | 1.085 | 1.025-1.148 | 0.005 |
| Killip>1 | 2.147 | 1.091-4.226 | 0.027 |
| NYHA>1 | 2.387 | 0.988-5.764 | 0.053 |
| NODV>1 | 1.123 | 0.548-2.305 | 0.751 |
| Coagulation profile | |||
| PT | 0.975 | 0.898-1.058 | 0.539 |
| aPTT | 1.010 | 0.978-1.044 | 0.537 |
| INR | 0.885 | 0.385-2.034 | 0.774 |
| CBC profile | |||
| Hemoglobin | 1.325 | 1.079-1.627 | 0.007 |
| White blood cell count > 10.55 ×103/μL | 3.249 | 1.583-6.666 | 0.001 |
| Neutrophils | 1.270 | 0.889-1.816 | 0.189 |
| Lymphocytes | 0.914 | 0.559-1.494 | 0.719 |
| Red blood cell count | 0.835 | 0.483-1.443 | 0.518 |
| Hematocrit | 1.057 | 0.994-1.124 | 0.078 |
| RDW>16.55 % | 3.675 | 1.791-7.541 | <0.001 |
| Platelet count | 0.993 | 0.989-0.998 | 0.005 |
| MPV>11.25 fL | 2.832 | 1.401-5.723 | 0.004 |
| Cardiac enzymes | |||
| Troponin T | 1.080 | 0.527-2.217 | 0.833 |
| CKMB | 1.001 | 0.992-1.010 | 0.885 |
| CK | 1.001 | 0.999-1.002 | 0.291 |
| Rehospitalization | 2.784 | 1.393-5.561 | 0.004 |
| MI | 2.683 | 1.327-5.424 | 0.006 |
| Cardiogenic shock | 3.512 | 1.589-7.763 | 0.002 |
| Stroke | 1.617 | 0.570-4.590 | 0.367 |
| GI bleeding | 0.736 | 0.176-3.070 | 0.674 |
| Transfusion | 1.705 | 0.706-4.119 | 0.235 |
| CABG | 3.354 | 1.565-7.190 | 0.002 |
| Stent placement | 1.160 | 0.565-2.379 | 0.686 |
SBP, Systolic blood pressure; DBP, Diastolic blood pressure; LVEF, Left ventricular ejection fraction; NYHA, New York Heart Association; NODV, Number of diseased vessel; PT, Prothrombin time; aPTT, Activated partial thromboplastin time; INR, International normalized ratio; CBC, Complete blood count; RDW, Red blood cell distribution width; MPV, Mean platelet volume; CKMB, Creatine kinase-MB; MI, Myocardial infarction; GI, Gastrointestinal bleeding; CABG, Coronary artery bypass grafting