Table 2.

Confusion Matrix.

	Classification According to Breath Test
		Positive	Negative	Total
Disease Status	Tuberculosis	TP (133)	FN (6)	139
	Healthy Control	FP (17)	TN (178)	195
Total		150	184	334

TP = true positive, TN = true negative, FP = false positive, and FN = false negative.