Effects of portal vein resection and hepatic artery resection on long-term survival in Klatskin tumor: a meta-analysis

Table 2 Original data and HR with 95% CI of the studies included in the meta-analysis

Study	HR	95%CI	Resection type	Survival type
Nimura et al. [18]	1.9	[1.52, 3.52]	PVR	OS
Muñoz et al. [19]	2.39	[0.55, 10.4]	PVR	OS
Ebata et al. [9]	2.5	[1.15, 5.42]	PVR	OS
Miyazaki et al. [10]	1.59	[0.83, 3.06]	PVR	OS
Miyazaki et al. [10]	2.92	[1.5, 5.67]	HAR	OS
Igami et al. [11]	1.83	[0.78, 4.27]	PVR	OS
Igami et al. [11]	1.79	[0.76, 4.17]	HAR	OS
Hemming et al. [20]	1.05	[0.37, 3]	PVR	OS
de Jong et al. [21]	1.22	[0.57, 2.63]	PVR	OS
Tamoto et al. [14]	0.38	[0.1, 1.41]	PVR	OS
Tamoto et al. [14]	0.3	[0.1, 0.87]	PVR	RFS
Yu et al. [12]	2.29	[1.09, 4.8]	PVR	OS
Hoffmann et al. [22]	0.64	[0.29, 1.41]	PVR	OS
Hoffmann et al. [22]	0.76	[0.35, 1.62]	PVR	DFS
Wang et al. [15]	1.61	[0.75, 3.43]	PVR	OS
Wang et al. [15]	1.37	[0.65, 2.89]	HAR	OS
Peng et al. [7]	1.42	[0.63, 3.17]	HAR	OS
Nakanishi et al. [23]	1.34	[0.65, 2.77]	PVR	OS
Noji et al. [24]	1.96	[0.85, 4.57]	HAR	OS
Dumitraşcu et al. [25]	1.43	[0.68, 3.00]	PVR	OS
Schimizzi et al. [13]	0.9	[0.5, 2.2]	PVR	OS
	1	[0.5, 2.2]	HAR	OS
	1.7	[0.8, 3.3]	PVR	RFS
	0.6	[0.3, 1.3]	HAR	RFS
Mizuno et al. [26]	1.78	[0.86, 3.67]	PVR	OS
Mizuno et al. [26]	1.7	[0.84, 3.46]	HAR	OS

ISSN: 1477-7819