Table 3.

Meta-analysis results^a

Study	True Positives, n	False Negatives, n	False Positives, n	True Negatives, n	Sensitivity, %	Specificity, %	Positive Predictive Value, %	Negative Predictive Value, %
Kiesel et al15	7	6	3	30	53.8	90.9	70.0	83.3
Chorba et al3	11	8	5	14	57.9	73.7	68.8	63.6
O’Connor et al25	42	228	51	553	15.6	91.6	45.2	70.8
Peate et al28	43	75	90	225	36.4	71.4	32.3	75.0
Shojaedin et al32	22	20	24	34	52.4	58.6	47.8	63.0
Kiesel et al16	16	44	24	154	26.7	86.5	40.0	77.8
Total					24.7	85.7	42.8	72.5

^aSix studies included 1729 cases.