Table 1.
Baseline Demographics, clinical and laboratory characteristics. Median value (interquartile range).
| Total (n = 1955) |
Training Cohort (n = 1310) |
Validation Cohort (n = 645) |
p Value | |
|---|---|---|---|---|
| Age | 69 (57–80) | 70 (57–81) | 68 (57–79) | 0.13 |
| Sex (Male) | 1175 (60.1%) | 786 (60%) | 389 (60.3%) | 0.93 |
| SaO2 < 90% | 441 (22.6%) | 305 (23.3%) | 136 (21.1%) | 0.3 |
| NLR | 4.32 (2.71–7.97) | 4.36 (2.73–8.05) | 4.27 (2.65–7.83) | 0.64 |
| NPR | 2.34 (1.65–3.35) | 2.30 (1.65–3.34) | 2.38 (1.66–3.38) | 0.52 |
| VNLR | 0.00 (−8.88–6.36) | 0.00 (−8.30–6.37) | 0.00 (−9.67–6.33) | 0.094 |
| VNPR | −2.85 (−9.39–0.00) | −2.52 (−9.08–0.00) | −3.48 (−9.99–0.00) | 0.14 |
| CRP | 65.03 (24.59–130.24) | 63.08 (24.54–124.39) | 70.41 (24.79–140.26) | 0.21 |
| CRP NA, n (%) | 30 (1.5%) | 24 (1.8%) | 6 (0.9%) | |
| Exitus | 290 (14.8%) | 194 (14.8%) | 96 (14.9%) | 1 |
| ICU | 146 (7.5%) | 91 (6.9%) | 55 (8.5%) | 0.25 |
Abbreviations: SaO2, oxygen saturation; NLR, neutrophil-lymphocyte ratio; NPR, neutrophil-platelets ratio; VNLR, velocity neutrophil-lymphocyte ratio; VNPR; velocity neutrophil-platelets ratio; CRP, C-reactive protein; NA, not attempted; ICU, Intensive Care Unit.