Laparoscopic hepatectomy for hepatocellular carcinoma in patients with clinically significant portal hypertension: a systematic review and meta-analysis

Table 1 Details of studies included in the meta-analysis

First author and years	Study period	Country	Type of study	Total sample	CSPH	Non-CSPH	NOS score
Guo 2022 [12]	2013–2018	China	Retrospective PSM	110	55	55	8
Lim 2019 [13]	2014–2017	France	Prospective PSM	45	18	27	7
Molina 2018 [14]	2005–2016	Spain	Retrospective	45	15	30	7
Robert 2020 [11]	2011–2018	Spain	Retrospective	62	31	31	8
Zheng 2021 [15]	2016–2019	China	Retrospective PSM	48	24	24	8

PSM propensity score matching, BMI body mass index, ASA American Society of Anesthesiologists, AFP alpha-fetoprotein, ALT alanine aminotransferase, HCC hepatocellular carcinoma, HVPG hepatic venous pressure gradient

ISSN: 1477-7819