Table 3.

Algorithm performance: free text and non-standard drop list allergy entries only

	All allergies		Drug allergies		Food allergies		All unique strings only
	Dataset		Dataset		Dataset		Dataset
Measure	Training	Testing	Training	Testing	Training	Testing	Training	Testing
# evaluated	8053	8958	6121	6044	1120	1888	2447	2570
Accuracy (%)	94.26	88.84	96.03	91.62	97.40	93.38	87.32	74.05
Specificity (%)	95.93	97.78	90.32	85.00	95.93	97.78	96.43	97.64
Precision (%)	99.93	99.94	99.96	99.96	99.93	99.94	99.85	99.83
Recall (%)	94.23	88.61	96.05	91.64	94.23	88.61	86.98	72.82
F-measure (%)	97.00	93.93	97.94	95.60	97.00	93.93	96.43	97.64

F-measure=harmonic mean of precision and recall.