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Table 1 Study characteristics

From: Minimally invasive drainage versus open surgical debridement in SAP/SMAP – a network meta-analysis

Author Year Country Language Study designa Type of intervention Intervention time Number of patients Number of deaths Number of MODSb Involving groupsc
Xinbo Ai [29] 2010 China English RCT, SC OSD late 16 5 3
MID late 13 0 1
Xiaoqin Chen [30] 2007 China Chinese RCT, SC CST 12 3 NA
OSD late 14 2 NA
MID (ESD) late 15 2 NA
Fei Lin [31] 2016 China Chinese RCT, SC MID (ESD) early 50 1 NA
CST 50 5 NA
Van Santvoort HC [27] 2010 Holland English RCT, MC OSD late 45 7 18
MID early 43 8 5
Hao Liu [32] 2009 China Chinese RCT, SC MID (MIS) early 35 4 NA
CST 32 10 NA
Liye Liu [33] 2015 China English RCT, SC MID (PCD) early 126 8 NA
CST 129 11 NA
Bakker O J [19] 2012 Holland English RCT, MC OSD late 10 4 5
MID late 10 1 0
Schröder T [34] 1990 Finland English RCT, SC OSD early 11 3 NA
MID early 10 1 NA
Guiliang Wang [35] 2017 China English RCT, SC CST 60 12 11
MID (MIS) early 62 7 7
Hongbo Zhang [36] 2007 China Chinese RCT, SC MID (PCD) late 45 0 0
CST 59 9 6
Jian Zhang [37] 2011 China Chinese RCT, SC OSD late 20 6 7
MID late 23 1 2
Zhenghua Wang [38] 2006 China Chinese RCT, SC MID early 21 1 NA
OSD early 20 2 NA
Yuchuan Zhong [39] 2013 China Chinese RCT, SC MID early 24 2 NA
MID late 30 4 NA
  1. a RCT Randomized Controlled Trial, SC Single Center, MC Multiple Centers
  2. b NA Not Available
  3. C Comparison 1, Comparison 2, Comparison 3