Radiological Imaging for Assessing the Respectability of Hilar Cholangiocarcinoma: A Systematic Review and Meta-Analysis

Table 2

TP, FP, FN, TN, and diagnostic performance of CT.

Author	TP	FP	FN	TN	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	Accuracy (%)
Cha et al. [8]	6	6	0	9	100	60	50.0	100	71.4
Lee et al. [9]	30	12	2	11	93.8	47.8	71.4	84.6	74.5
Aloia et al. [10]	17	1	3	11	85	91.7	94.4	78.6	87.5
Endo et al. [11]	14	1	0	5	100	83.3	93.3	100	95
Unno et al. [12]	15	4	0	5	100	55.6	78.9	100	83
Park et al. [13]	16	4	0	7	100	63.6	80.0	100	85
Kim et al. [14]	74	12	8	29	90.2	70.7	86.0	78.4	83.7
Chen et al. [15]	45	5	2	23	95.7	82.1	90.0	92.0	91
Yu et al. [16]	7	1	0	5	100	83.3	87.5	100	92
Cannon et al. [17]	37	22	0	51	100	69.9	62.7	100	80
Nagakawa et al. [18]	10	2	0	1	100	33.3	83.3	100	85

TP: true positive; FP: false positive; TN: true negative; FN: false negative.