Table 3.

Correlation between clinicopathological features and UCAD results in 29 patients with biliary tract cancer.

	N	%	UCAD (+)	UCAD (-)	P valuea
No. patients	29		26	3
Cancer type					0.176
Gallbladder cancer	8	27.6	6	2
Cholangiocarcinoma	21	72.4	20	1
TNM Stage					> 0.999
Stage I	3	13.8	3	0
Stage II	4	10.3	4	0
Stage III	14	48.3	12	2
Stage IV	8	27.6	7	1
Perineural invasion	21	72.4	19	2	> 0.999
Vascular invasion	7	24.14	7	0	0.557
Lymph node metastasis	16	55.17	15	1	0.573
Poor histological grade	3	10.34	3	0	> 0.999
Distant metastasis	2	6.90	2	0	> 0.999

BTC, biliary tract cancer.

Bold values indicate statistical significance (P < 0.05).

^aFisher exact test.