Table 2.

The survival outcome of patients with intrahepatic cholangiocarcinoma classified by the type of surgical treatment

	Univariate Cox regression
Type of surgery	Crude hazard ratio	95% CI	p-value
Radical pancreaticoduodenectomy	2.2	1.61–3.04	<0.001
Subtotal hepatectomy.	2.6	1.98–3.43	<0.001
Partial hepatectomy.	2.5	2.22–2.72	<0.001
Presence of any one of three surgical treatment options	2.5	2.25–2.70	<0.001