Table 3.
Univariate and Multivariate Analysis for the Diagnosis of COVID-19 Patients
| Univariate Analysis | Multivariate Analysis | |||||||
|---|---|---|---|---|---|---|---|---|
| Odds Ratio (OR) | 95% C.I. | P value | Odds Ratio (OR) | 95% C.I. | P value | |||
| Lower | Upper | Lower | Upper | |||||
| Age (>40) | 3.397 | 1.454 | 7.937 | 0.005 | 5.697 | 0.487 | 66.653 | 0.166 |
| Hb (>12.6) g/dl | 0.532 | 0.243 | 1.167 | 0.115 | ||||
| RBCs (>4.6) 106/ul | 2.049 | 0.713 | 5.890 | 0.183 | ||||
| HCT (>38.5) % | 3.410 | 1.030 | 11.296 | 0.045 | 30.73 | 0.760 | 1243.09 | 0.070 |
| MCV (<82.4) fL | 1.732 | 0.683 | 4.394 | 0.247 | ||||
| MCH (>27) Pg | 2.847 | 0.999 | 8.114 | 0.050 | 3.228 | 0.216 | 48.202 | 0.395 |
| RDW (>13.6) % | 0.500 | 0.115 | 2.175 | 0.355 | ||||
| Platelets (>227) ×109/L | 0.290 | 0.127 | 0.661 | 0.003 | 0.045 | 0.001 | 1.505 | 0.083 |
| TLC (>6.5)×109/L | 1.065 | 0.497 | 2.283 | 0.872 | ||||
| Neutrophil (>2.9) 103/ul | 0.453 | 0.198 | 1.034 | 0.060 | ||||
| Segmented% (>60) | 2.000 | 0.649 | 6.166 | 0.228 | ||||
| Eosinophil (>0.05) 103/ul | 0.178 | 0.056 | 0.560 | 0.003 | 0.030 | 0.001 | 1.629 | 0.085 |
| Basophil (>0) 103/ul | 1.646 | 0.683 | 3.968 | 0.267 | ||||
| Lymphocytes (>1.5) 103/ul | 0.075 | 0.021 | 0.264 | P<0.001 | 0.312 | 0.007 | 13.647 | 0.546 |
| CRP (>13.1) mg/L | 11.908 | 3.291 | 43.090 | P<0.001 | 8.543 | 0.207 | 352.901 | 0.259 |
| Ferritin (>200) ng/L | 7.619 | 0.872 | 66.541 | 0.066 | ||||
| D-dimer (>0.33)ng/mL | 12.000 | 3.140 | 45.855 | P<0.001 | 3.721 | 0.049 | 283.207 | 0.552 |
| NLR (>2.5) | 5.412 | 2.130 | 13.755 | P<0.001 | 0.158 | 0.009 | 2.932 | 0.216 |
| LMR (<6) | 3.828 | 1.694 | 8.648 | 0.001 | 0.360 | 0.097 | 1.335 | 0.127 |
| PLR (>118) | 2.412 | 1.102 | 5.280 | 0.028 | 0.659 | 0.191 | 2.272 | 0.509 |
| dNLR (>1.7) | 1.509 | 0.703 | 3.237 | 0.291 | ||||
| SII (>807) | 7.710 | 2.174 | 27.340 | 0.002 | 3.897 | 0.269 | 56.428 | 0.318 |
| NLPR (>0.011) | 21.729 | 4.885 | 96.651 | P<0.001 | 38.751 | 2.080 | 722.060 | 0.014 |
| SIRI (>0.8) | 4.452 | 1.738 | 11.406 | 0.002 | 6.68 | 0.000 | 0.999 | |
| AISI (>252) | 3.521 | 1.371 | 9.047 | 0.009 | 0.884 | 0.000 | 0.999 | |
| CRP/L (>7.6) | 19.000 | 4.146 | 87.070 | P<0.001 | 7.604 | 1.338 | 43.224 | 0.022 |
Note: The P value is significant if <0.05.
Abbreviations: AISI, aggregate index of systemic inflammation; CRP, C-reactive protein; CRP/L, CRP to lymphocyte ratio; dNLR, derived neutrophil to lymphocyte ratio; Hb, haemoglobin concentration; HCT, haematocrit value; LDH, lactate dehydrogenase; MCH, mean corpuscular hemoglobin; MCV, mean corpuscular volume; LMR, lymphocyte to monocyte ratio; NLPR, neutrophil to lymphocyte; platelet ratio; NLR, the neutrophil to lymphocyte ratio; PLR, platelet to lymphocyte ratio; RBCs, red blood cells; RDW, red cell distribution width; SII, systemic inflammation index; SIRI, systemic inflammation response index; TLC, total leukocyte count.