Table 1.

Classifier performance vs. training set size.

Training set size (in images)	Sensitivity	Specificity	Accuracy
1,000 Pneumonia/1,000 Normal	0.89	0.96	0.92
300 Pneumonia/300 Normal	0.97	0.81	0.89
200 Pneumonia/200 Normal	0.90	0.86	0.88
100 Pneumonia/100 Normal	0.90	0.88	0.89
50 Pneumonia/50 Normal	0.98	0.80	0.89