Table 4.
Performance parameters of predictors of acute stroke in the study population.
| Variables | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | PLR | NLR |
|---|---|---|---|---|---|---|
| WBC >6.95 | 63.46 | 53.99 | 1.38 | 0.68 | 5.92 | 97.00 |
| Hb >13.65 | 58.77 | 54.43 | 1.22 | 0.81 | 5.29 | 96.42 |
| Cr >0.825 | 58.49 | 54.96 | 1.30 | 0.76 | 5.70 | 96.60 |
| CRP >0.105 | 44.23 | 64.58 | 1.25 | 0.86 | 5.41 | 96.19 |
Hb, hemoglobin; Cr, creatinine; CRP, C-reactive protein; NLR, negative likelihood ratio; NPV, negative predictive value; PLR, positive likelihood ratio; PPV, positive predictive value; WBC, white blood cell.