Table 3.
Univariate and multivariate Cox regression analysis for 1-year mortality before PSM
| Univariate analysis | Multivariate analysis | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Model I | Model II | ||||||||
| HR | 95%CI | P | HR | 95%CI | P | HR | 95%CI | P | |
| LMR < 3.00 | 2.094 | 1.717–2.554 | 0.000 | 2.060 | 1.688–2.515 | 0.000 | 1.369 | 1.110–1.687 | 0.003 |
| Age, years | 1.004 | 1.002–1.005 | 0.000 | 1.003 | 1.002–1.004 | 0.000 | 1.002 | 1.001–1.003 | 0.004 |
| Gender, Male | 0.673 | 0.553–0.819 | 0.000 | 0.727 | 0.592–0.892 | 0.002 | 0.945 | 0.758–1.178 | 0.614 |
| Ethnicity, White | 0.739 | 0.605–0.902 | 0.003 | 0.733 | 0.600–0.896 | 0.002 | 0.760 | 0.618–0.935 | 0.010 |
| Hypertension | 0.680 | 0.556–0.831 | 0.000 | 1.077 | 0.859–1.351 | 0.519 | |||
| Congestive heart failure | 1.978 | 1.526–2.563 | 0.000 | 0.760 | 0.568–1.018 | 0.066 | |||
| Cardiac arrhythmias | 1.970 | 1.449–2.679 | 0.000 | 1.315 | 0.938–1.843 | 0.113 | |||
| Chronic pulmonary disease | 1.339 | 1.036–1.731 | 0.026 | 1.027 | 0.787–1.341 | 0.844 | |||
| Renal failure | 1.800 | 1.407–2.302 | 0.000 | 1.159 | 0.859–1.562 | 0.334 | |||
| Coagulopathy | 2.012 | 1.523–2.658 | 0.000 | 1.104 | 0.816–1.494 | 0.521 | |||
| HR, beats/min | 1.022 | 1.016–1.028 | 0.000 | 1.006 | 0.999–1.014 | 0.091 | |||
| DBP, mmHg | 0.964 | 0.955–0.975 | 0.000 | 0.991 | 0.979–1.002 | 0.124 | |||
| RR, times/min | 1.100 | 1.073–1.128 | 0.000 | 1.041 | 1.014–1.070 | 0.003 | |||
| SpO2, % | 0.915 | 0.895–0.935 | 0.000 | 0.948 | 0.927–0.969 | 0.000 | |||
| WBC, 109/L | 1.046 | 1.033–1.059 | 0.000 | 1.000 | 0.985–1.015 | 0.992 | |||
| PLT, 109/L | 1.000 | 0.999–1.001 | 0.833 | – | – | – | |||
| Hb, g/dL | 0.867 | 0.829–0.907 | 0.000 | 0.957 | 0.905–1.012 | 0.126 | |||
| Glu, mg/dL | 1.003 | 1.002–1.003 | 0.000 | 1.001 | 1.000–1.002 | 0.013 | |||
| Scr, mg/dL | 1.193 | 1.143–1.245 | 0.000 | 1.060 | 0.968–1.159 | 0.208 | |||
| BUN, mg/dL | 1.019 | 1.016–1.022 | 0.000 | 0.999 | 0.992–1.005 | 0.643 | |||
| SIRS | 1.506 | 1.360–1.669 | 0.000 | 1.069 | 0.940–1.216 | 0.307 | |||
| SAPSII | 1.058 | 1.052–1.064 | 0.000 | 1.045 | 1.034–1.056 | 0.000 | |||
| SOFA | 1.228 | 1.199–1.259 | 0.000 | 0.997 | 0.952–1.045 | 0.914 | |||
| PCI | 0.526 | 0.430–0.643 | 0.000 | 0.695 | 0.551–0.878 | 0.002 | |||
| CABG | 0.405 | 0.285–0.575 | 0.000 | 0.394 | 0.266–0.582 | 0.000 | |||
PSM propensity score matching, LMR lymphocyte-to-monocyte ratio, HR heart rate, DBP diastolic blood pressure, RR respiratory rate, SpO2, percutaneous oxygen saturation; WBC white blood cell, PLT platelet, Hb hemoglobin, Glu glucose, Scr serum creatinine, BUN blood urea nitrogen, SIRS systemic inflammatory response syndrome, SAPS simplified acute physiology score, SOFA Sequential organ failure assessment, PCI percutaneous transluminal coronary intervention, CABG coronary artery bypass grafting