Usefulness of CT angiography in diagnosing acute gastrointestinal bleeding: A meta-analysis

Table 2 Study results

Study	n	TP	FP	FN	TN	Sensitivity (95% CI)	Specificity (95% CI)
Ettorre et al[16]	18	13	0	3	2	0.81 (0.54-0.96)	1.00 (0.16-1.00)
Ernst et al[17]	24	15	0	4	5	0.79 (0.54-0.94)	1.00 (0.48-1.00)
Tew et al[18]	13	7	0	0	6	1.00 (0.59-1.00)	1.00 (0.54-1.00)
Miller et al[19]	18	14	0	2	2	0.88 (0.62-0.98)	1.00 (0.16-1.00)
Sabharwal et al[20]	7	5	0	0	2	1.00 (0.48-1.00)	1.00 (0.16-1.00)
Yoon et al[21]	26	20	1	2	3	0.91 (0.71-0.99)	0.75 (0.19-0.99)
Jaeckle et al[22]	36	26	0	0	10	1.00 (0.87-1.00)	1.00 (0.69-1.00)
Zink et al[23]	41	5	5	1	30	0.83 (0.36-1.00)	0.86 (0.70-0.95)
Lee et al[24]	15	7	5	2	1	0.78 (0.40-0.97)	0.17 (0.00-0.64)

FN: False negative; FP: False positive; NA: Not applicable; TN: True negative; TP: True positive.