Table 2.
Bivariate analyses of COVID-19 screening variables
| COVID-19 screening | SARS-CoV-2 RT-PCR, n (%) | OR (95% CI) | P-score | |
|---|---|---|---|---|
| Negative | Positive | |||
| Lymphocyte values | ||||
| ≥ 1,500 cells/mm3 | 157 (77) | 47 (23) | – | – |
| < 1,500 cells/mm3 | 120 (78.4) | 33 (21.6) | 0.91 (0.55–1.52) | 0.742 |
| NLR | ||||
| < 2.4 | 116 (86.6) | 18 (13.4) | – | – |
| ≥ 2.4 | 161 (72.2) | 62 (27.8) | 2.48 (1.39–4.41) | 0.002* |
| CRP level | ||||
| < 10 mg/L | 185 (83.3) | 37 (16.7) | – | – |
| ≥ 10 mg/L | 92 (68.1) | 43 (31.9) | 2.33 (1.40–3.87) | 0.001* |
| SARS-CoV-2–IgM antibody rapid serology test | ||||
| Negative IgM | 274 (79.2) | 72 (20.8) | – | – |
| Positive IgM | 3 (27.3) | 8 (72.7) | 10.14 (2.62–39.22) | < 0.001* |
| Chest x-ray | ||||
| Atypical COVID-19 | 269 (85.4) | 46 (14.6) | – | – |
| Typical COVID-19 | 8 (19) | 34 (81) | 24.5 (10.82–57.06) | < 0.001* |
COVID-19 = coronavirus disease–2019; CRP = C-reactive protein; NLR = neutrophil-to-lymphocyte ratio; OR = odds ratio; RT-PCR = reverse transcription polymerase chain reaction.
*
Statistically significant variable.