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Table 1 Basic Characteristics of the Included Studies

From: Comparison of overall survival and perioperative outcomes of laparoscopic pancreaticoduodenectomy and open pancreaticoduodenectomy for pancreatic ductal adenocarcinoma: a systematic review and meta-analysis

Study Year Design Sample Size Mean age(years) Tumor Size(cm) BMI (kg/m2) Neoadjuvant therapy (sample size)
LPD OPD LPD OPD LPD OPD LPD OPD LPD OPD
Croome 2014 P,S 108 214 66.6 65.4 3.3a 3.3a 27.4a 27.2a 12 30
Speicher 2014 R,S 25 84 61 64 2b 3b 24b 25b 9 26
Sharpe 2015 R,M 384 4037 65.6 66.1 3.2a 3.3a NA NA NA NA
Stauffer 2016 P,S 58 193 66.9 68.9 2.5b 3.5b 25.9b 25.6b NA NA
Champman 2017 R,M 248 1520 79.6 79.5 NA NA NA NA 175 83
Kantor 2017 R,M 828 7385 65.9 65.7 NA NA NA NA 642 5714
Chen 2018 R,S 47 55 63 66 NA AN 24a 22.7a NA NA
Dokmak 2015 P,S 46 46 60 63 2.82a 2.51a 22.6a 26.4a NA NA
  1. P prospective study S single center R retrospective study M mutli-centers NA not avaliable BMI body mass index aMean bMedian
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