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Table 6 Goodness of fit for rule-based classification of patients’ malaria outcome by age

From: Clinical malaria diagnosis: rule-based classification statistical prototype

Goodness of fit statistics 5–9 Years 10–17 Years 18 Years and above Total
% 95 % CI % 95 % CI % 95 % CI % 95 % CI
(a) Predictive dataset: Kalisizo Hospital
Sensitivity 0.55 [0.43–0.66] 0.71 [0.62–0.80] 0.72 [0.69–0.76] 0.70 [0.68–0.74]
Specificity 0.50 [0.35–0.67] 0.50 [0.36–0.70] 0.64 [0.58–0.73] 0.58 [0.54–0.66]
Positive predictive value 0.60 [0.46–0.77] 0.77 [0.67–0.91] 0.89 [0.87–0.93] 0.84 [0.82–0.89]
Negative predictive value 0.44 [0.30–0.62] 0.43 [0.30–0.63] 0.36 [0.31–0.45] 0.38 [0.34–0.46]
(b) Training dataset: Kisubi Hospital
Sensitivity 0.92 [0.90–0.93] 0.80 [0.74–0.83] 0.73 [0.63–0.76] 0.89 [0.87–0.90]
Specificity 0.92 [0.91–0.93] 0.85 [0.79–0.87] 0.95 [0.93–0.96] 0.98 [0.97–0.98]
Positive predictive value 0.72 [0.67–0.74] 0.51 [0.41–0.56] 0.42 [0.30–0.45] 0.85 [0.82–0.86]
Negative predictive value 0.98 [0.98–0.98] 0.95 [0.94–0.96] 0.99 [0.98–0.99] 0.98 [0.98–0.99]