Benefit of combination β-blocker and endoscopic treatment to prevent variceal rebleeding: A meta-analysis

Table 1 Study characteristics

Author	Country	Publication type	n	Length of follow-up (mo)
Combination therapy vs sclerotherapy
Westaby et al[36]	United Kingdom	Article	53	6
Jensen et al[37]	Denmark	Article	31	12
Bertoni et al[38]	Italy	Letter	28	2
Gerunda et al[39]	Italy	Abstract	60	6
Lundell et al[40]	Sweden	Article	41	8
Kanazawa et al[32]	Japan	Abstract	43	27
Vinel et al[41]	France	Article	74	3
Acharya et al[42]	India	Article	114	24
Avgerinos et al[43]	Greece	Article	85	23.9
Villanueva et al[33]	Spain	Article	40	26
Vickers et al[44]	United Kingdom	Article	73	24
Elsayed et al[34]	Egypt	Article	178	21
Benedeto-Stojanov et al[45]	Yugoslavia	Abstract	65	39
Dowidar et al[35]	Egypt	Article	40	16.2
Combination therapy vs banding ligation
Abdel-Rahim et al[46]	Egypt	Abstract	50	< 3
Lo et al[12]	China	Article	122	12
de la Peña et al[13]	Spain	Article	84	16