Rectal nonsteroidal anti-inflammatory drugs, glyceryl trinitrate, or combinations for prophylaxis of post-endoscopic retrograde cholangiopancreatography pancreatitis: A network meta-analysis

Table 1 Characteristics of the included studies

Ref.	Country	Intervention	Sample size
Murray et al[11], 2003	Scotland	100 mg diclofenac after endoscopy	220
Sotoudehmanesh et al[12], 2007	Iran	100 mg indomethacin before ERCP	490
Khoshbaten et al[13], 2007	Iran	100 mg diclofenac after endoscopy	100
Elmunzer et al[14], 2012	United States	100 mg indomethacin after ERCP	602
Otsuka et al[15], 2012	Japan	50 mg diclofenac before ERCP	104
Döbrönte et al[16], 2014	Hungary	100 mg indomethacin 10-15 min before ERCP	665
Andrade-Dávila et al[17], 2015	México	100 mg indomethacin after ERCP	166
Lua et al[18], 2015	Malaysia	100 mg diclofenac after ERCP	144
Patai et al[19], 2015	Hungary	100 mg indomethacin 1 h before ERCP	539
Levenick et al[20], 2016	United States	100 mg indomethacin following attempted cannulation	449
Luo et al[21], 2016	China	100 mg indomethacin within 30 min before ERCP	2014
Mansour-Ghanaei et al[22], 2016	Iran	500 mg naproxen immediately before ERCP	324
Patil et al[23], 2016	India	100 mg diclofenac immediately before or during the ERCP	400
Mohammad et al[24], 2017	Iran	100 mg diclofenac, 100 mg indomethacin or 500 mg naproxen, 30 min before ERCP	246
Li et al[25], 2019	China	100 mg indomethacin before ERCP	100
Katoh et al[26], 2019	Japan	50 mg diclofenac before ERCP	297
Sudhindran et al[27], 2001	United Kingdom	Sublingual 2 mg GTN before ERCP	186
Moretó et al[28], 2003	Spain	Transdermal 15 mg GTN 30 to 40 minutes before ERCP	144
Kaffes et al[29], 2006	Australia	Transdermal 5 mg GTN before ERCP	318
Hao et al[30], 2009	China	Sublingual 5 mg GTN 5 min before ERCP	74
Nøjgaard et al[31], 2009	France	Transdermal 15 mg GTN before ERCP	806
Bhatia et al[32], 2011	India	Transdermal GTN 30 min before ERCP	250
Sotoudehmanesh et al[33], 2014	Iran	100 mg indomethacin, plus 5 mg of sublingual GTN before ERCP	300
Wang et al[9], 2020	China	Indomethacin plus 0.5 mg of sublingual GTN 5 min before ERCP	352

ERCP: Endoscopic retrograde cholangiopancreatography; GTN: Glyceryl trinitrate.