Diagnostic accuracy of ≥ 16-slice spiral computed tomography for local staging of colon cancer: A systematic review and meta-analysis

Table 3 Results of N staging in included studies

Ref.	Staging	Number	Histology +	Histology -	TP	FP	FN	TN	Sensitivity (%)	Specificity (%)
Tezcan et al[15]	N0	159	75	84	24	0	51	84	32.00	100.00
Tezcan et al[15]	N1	159	46	113	28	23	18	90	61.00	80.00
Tezcan et al[15]	N2	159	38	121	38	46	0	75	100.00	62.00
Hunter et al[19]	N1/N2	53	22	31	14	12	8	19	64.00	60.00
Hunter et al[19]	N1/N2	53	22	31	16	18	6	13	73.00	43.00
Lao et al[23]	Nx or N0	153	76	77	48	34	28	43	63.16	55.84
Lao et al[23]	N1	153	34	119	8	31	26	88	23.53	73.95
Lao et al[23]	N2	153	43	110	17	15	26	95	39.53	86.36

TP: True positive; FP: False positive; FN: False negative; TN: True negative.