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Table 1 Characteristics of studies included in the systematic review

From: What is impact of nonsteroidal anti-inflammatory drugs in the prevention of post-endoscopic retrograde cholangiopancreatography pancreatitis: a meta-analysis of randomized controlled trials

  Sample size Jadad score
Author Year Setting NSAIDs(n) Placebo(n) NSAIDs intervention
Abu-Safieh [21] et al. 2014 Single center 89 93 75 mg diclofenac intramuscular before ERCP 3
Andrade-Dávila [22] et al. 2015 Single center 82 84 100 mg indomethacin rectal immediately after ERCP 3
Bhatia [23] et al. 2011 Single center 121 126 20 mg valdecoxib intravenous at the start of ERCP. 3
Cheon [38] et al. 2007 Single center 105 102 50 mg diclofenac 30–90 min oral before ERCP and 4–6 h after 5
Döbrönte [24] et al. 2012 Single center 130 98 100 mg indomethacin rectal 10 min before ERCP 2
Döbrönte [17] et al. 2014 Multicenter 347 318 100 mg indomethacin rectal 10–15 min before sedo-analgesic premedication 2
Elmunzer [25] et al. 2012 Single center 295 307 100 mg indomethacin rectal immediately after ERCP 5
Hosseini [26] et al. 2016 Single center 100 105 100 mg of indomethacin rectal two hours before the ERCP procedure 3
Kato [36] et al. 2017 Single center 85 85 400 mg celecoxib oral 1 h before ERCP 2
Khoshbaten [27] et al. 2008 Single center 50 50 100 mg diclofenac rectal after ERCP within 1 h 4
LevenickV [15] et al. 2015 Single center 223 226 2 * 50 mg indomethacin rectal during ERCP 5
Lua [16] et al. 2015 Single center 69 75 100 mg diclofenac rectal immediately after ERCP 2
Mansour-GhanaeiV [35] et al. 2016 Multicenter 162 162 500 mg naproxen rectal immediately before ERCP. 3
Montaño LozaV [28] et al. 2007 Single center 75 75 100 mg indomethacin rectal two hours before the procedure 1
Murray [29] et al. 2003 Single center 110 110 100 mg indomethacin rectal 2 h before ERCP 5
Otsuka [30] et al. 2012 Multicenter 51 53 50 mg (25 mg, if body weight < 50 kg) diclofenac rectal 30 min before ERCP 2
Park [32] et al. 2015 Single center 173 170 90 mg diclofenac intramuscular immediately after ERCP 5
Patai [31] et al. 2015 Single center 270 269 100 mg indomethacin rectal within 1 h before ERCP 5
Quadros Ono’frio [37] et al. 2017 Single center 224 223 100 mg ketoprofen intravenous during 20 min, immediately before the procedure, 2
Sotoudehmanesh [33] et al. 2007 Single center 221 221 100 mg indomethacin rectal mmediately before ERCP 4
UÇAR [34] et al. (1) 2016 Single center 50 50 100 mg diclofenac sodium rectal 30–90 min before the procedure. 2
UÇAR [34] et al. (2) 2016 Single center 50 50 75 mg diclofenac sodium IM 30–90 min before the procedure. 2