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Table 2 Studies characteristics: study setting and feature

From: The change of health-related quality of life after minimally invasive esophagectomy for esophageal cancer: a meta-analysis

Study Year Country Center Randomized Prospective data Consecutive HRQL as primary outcome Preoperative HRQL assessment SF36 OES18 QLQ C30 Timing HRQL measures
Barbour et al. [17] 2016 Australia Princess Alexandra Hospital No Yes Yes Yes Yes No Yes Yes Baseline, 3,6,9,12,18,24 mo po
Wang et al. [19] 2015 China Zhongshan Hospital No Yes Yes Yes Yes No Yes Yes Baseline, 1, 3,6,12,18,24 mo po
Maas et al. [20] 2015 Netherlands VU University Medical Center Yes Yes Yes Yes Yes Yes Yes Yes Baseline, 1.5, 12 mon po
Wang et al. [15] 2010 China Zhongshan Hospital No No Yes Yes Yes No Yes Yes Baseline, 0.5, 1, 4 6 mon po
Parameswaran et al. [16] 2010 UK Royal Devon and Exeter NHS Foundation Trust No Yes Yes Yes Yes No Yes Yes Baseline, 1.5, 3, 6, 12 mon po
Nafteux et al. [18] 2011 Belgium UZ Gasthuisberg No Yes Yes Yes Yes No Yes Yes Baseline, 1–3, 4–6, 10–12 mon po