Table 1.

Study variables detected in selected documents by the clinical natural language processing (cNLP) system compared to the ones obtained by manual annotations.

Variable	Manual annotations	cNLP system detections
Asthma (primary variable)	281	289
Extrinsic asthma	65	49
Bronchodilation test	131	88
Eosinophils in blood	181	164
Gastroesophageal reflux syndrome	181	168
Obesity	54	50
Omalizumab	27	21
Prick test	162	152
Salmeterol + fluticasone	147	80
Total IgEa	106	104

^aIgE: immunoglobulin E.