Skip to main content

Table 3 Descriptive statistics of schizontaemia, lactate and C-reactive protein as predictors for severe malaria

From: The prognostic value of schizontaemia in imported Plasmodium falciparum malaria

  Schizontaemia (presence) Plasma lactate (mmol/L) C-reactive protein
(mg/L)
Number 401 240 381
Median (range) N/A 1.6 (0.5-6.2) 98 (5–476)
Mean N/A 1.9 111
Standard deviation N/A 1.05 78
Optimal cut-off N/A ≥1.7 ≥142
Sensitivity 0.53 (0.40-0.66) 0.80 (0.67-0.89) 0.76 (0.63-0.86)
Specificity 0.95 (0.92-0.97) 0.63 (0.55-0.70) 0.75 (0.70-0.80)
Youden’s index 0.48 0.43 0.51
PPV 0.67 (0.52-0.80) 0.39 (0.30-0.49) 0.35 (0.27-0.45)
NPV 0.92 (0.88-0.94) 0.91 (0.85-0.95) 0.95 (0.91-0.97)