Table 2:

Comparison of Snapper results with Nurse1 results

Symptom Category	Specificity	Accuracy	Precision/ +ve predictive value	Recall/Sensitivity	F-score
Chest Pain	98.5%	96.6%	73.8%	80.4%	0.8
Abdominal Pain	91.3%	90.8%	81.6%	32.0%	0.5
Dysponea	99.9%	96.9%	96. 0%	50.0%	0.7
Trauma	96.4%	80.7%	72.8%	31.1%	0.4