BMC Medical Informatics and Decision Making

Table 4 Software algorithm measures of performance in test and tenth-round training set

From: Identifying influenza-like illness presentation from unstructured general practice clinical narrative using a text classifier rule-based expert system versus a clinical expert

Measure	Training (round 10)	Test
		Estimated value	95 % Confidence intervals
		Estimated value	Lower limit	Upper limit
Incidence	0.136	0.124	0.103	0.148
Sensitivity	0.882	0.902	0.831	0.950
Specificity	0.983	0.982	0.970	0.990
Positive Predictive Value	0.893	0.878	0.804	0.930
F-measure	0.888	0.890	0.817	0.940

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ISSN: 1472-6947

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