Table 2.
Propensity matching scoring model (n = 412)
| Variables | P value (Before PSM, n = 412) |
P value (After PSM, n = 412) |
||
|---|---|---|---|---|
| Model 1 | Model 2 | Model 3 | ||
| Age (year) | 0.171 | 0.061 | 0.056 | 0.096 |
| Sex (M/F) | 0.001 | 0.516 | 0.222 | 0.058 |
| Systolic blood pressure (mmHg) | 0.060 | 0.006 | 0.001 | 0.002 |
| Diastolic blood pressure (mmHg) | 0.355 | 0.654 | 0.59 | 0.385 |
| Pulse rate (PR, beats/per minute) | 0.498 | 0.98 | 0.805 | 0.843 |
| Body Mass Index (BMI, kg/m2) | 0.319 | 0.921 | 0.059 | 0.506 |
| Smoking status (n, SD/%) | ||||
| Smoking index (SI) | 0.028 | 0.306 | 0.191 | 0.105 |
| length of stay (LOS) | 0.606 | 0.191 | 0.222 | 0.096 |
| Complications | ||||
| Diabetes mellitus (DM) | 0.354 | 0.608 | 0.523 | 0.791 |
| Coronary atherosclerotic heart disease (CHD) | < 0.001 | 0.072 | 0.057 | 0.136 |
| Hypertension | 0.008 | 0.263 | 0.185 | 0.263 |
| History of cerebral infarction | 0.004 | 0.056 | 0.060 | 0.089 |
| Procalcitonin (ng/mL) | 0.752 | 0.031 | 0.03 | 0.067 |
| C-reactive protein (CRP, mg/L) | 0.092 | < 0.001 | < 0.001 | < 0.001 |
| Interleukin 6 (IL-6, pg/mL) | 0.700 | 0.123 | 0.122 | 0.122 |
| Hemoglobin (g/L) | 0.147 | 0.31 | 0.287 | 0.304 |
| White blood cell count (WBC, × 109/mL) | 0.013 | 0.008 | 0.002 | 0.006 |
| Red blood cell count (RBC, × 1012 /mL) | 0.400 | 0.035 | 0.03 | 0.045 |
| Red cell distribution with (RDW, %) | < 0.001 | < 0.001 | < 0.001 | < 0.001 |
| Mean platelet volume (MPV, fL) | 0.065 | 0.938 | 0.747 | 0.872 |
| Fibrinogen degradation products (FDP, μg/mL) | 0.499 | 0.522 | 0.973 | 0.94 |
| D-Dimer (DD, ng/mL) | 0.743 | 0.133 | 0.491 | 0.205 |
| Albumin (ALB, g/L) | 0.513 | 0.553 | 0.584 | 0.454 |
| Abnormal albumin globulin ratio (A/G) | 0.091 | 0.215 | 0.218 | 0.207 |
| Triglyceride (TG, mmol/L) | 0.410 | 0.941 | 0.994 | 0.861 |
| Total cholesterol (TC, mmol/L) | 0.842 | 0.271 | 0.196 | 0.233 |
| High density lipoprotein cholesterol (HDL-C, mmol/L) | 0.994 | 0.115 | 0.102 | 0.165 |
| Low density lipoprotein cholesterol (LDL-C, mmol/L) | 0.841 | 0.063 | 0.058 | 0.052 |
| Total bilirubin (TBIL, μmol/L) | < 0.001 | 0.028 | 0.023 | 0.025 |
| N terminal pro B type natriuretic peptide (NT-proBNP, pg/ml) | < 0.001 | < 0.001 | < 0.001 | < 0.001 |
Model 1 matched variables; Sex, age and BMI. Model 2 added SI to model 1. Model 3 Added underlying diseases to model 2 (DM, CHD, hypertension, history of cerebral infarction)