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. 2016 Sep 1;6:32126. doi: 10.1038/srep32126

Table 1. Characteristics of included studies.

Study Country Comparisons Mean age (years) Gender(M/F) Sample size Duration of follow-up Positive Helicobacter pylori test (%)
Bytzer15 Europe* Rab 10 vs Pla 47/48 180/238 418 6 months 36/37
FASS16 USA Dex 30 vs Dex 60 vs Pla 47.6/47.5/47.5 274/673 947 1 month 30.2/28.6/28.9
Kahrilas17 USA Rab 20 vs Pla 43.1/44 85/176 261 1 month 32.6/30.3
Kinoshita20 Japan Ome 10 vs Ome 20 41.7/48.2 18/19 37 1 month 29.4/30
Kinoshita19 Japan Rab 5 vs Rab 10 vs Pla 46.3/46.8/49.7 128/157 285 1 month 38/42/48
Lind21 Denmark and Sweden Ome 10 vs Ome 20 vs pla 49/50/51 206/303 509 1 month /
Lind22 Denmark and Sweden Ome 10 vs Ome 20 vs pla 51/52/48 179/245 424 6 months /
Miner23 USA Rab 10 vs Rab 20 vs Pla 44.4/45.5/46.1 77/126 203 1 month 26.6/35.3/39.7
Richter24 USA Ome 10 vs Ome 20 vs pla 50/49.5/49.7 193/166 359 1 month /
Richter25 L USA Lan 15 vs Lan 30 vs Pla 44.9/45.1/46.3 257/363 620 2 months 23.9/23.8/13.4
Talley26 Denmark, Finland, Norway and Sweden Eso 20 vs Pla 49/49 191/151 342 6 months 38/33
Talley27 UK Eso 20 vs Eso 40 vs Pla 48.4/48/48.2 328/393 721 6 months 35.8/30.7/39
Tan28 China Eso 20 vs Pla 48.5/48.3 62/113 175 2 months /
Uemura29 Japan Ome 10 vs Ome 20 vs pla 44.4/43.8/42.4 143/138 281 1 month 38.5/52.7/45.7
Katz18 A USA Eso 20 vs Eso 40 vs Pla 47/47/46 143/225 368 1 month 37/39/29
Katz18 B USA Eso 20 vs Eso 40 vs Pla 46/45/47 126/223 349 1 month 43/30/38

Rab 5: Rabeprazole 5 mg; Rab 10: Rabeprazole 10 mg; Rab 20: Rabeprazole 20 mg; Pla: Placebo; Dex 30: Dexlansoprazole 30 mg; Dex 60: Dexlansoprazole 60 mg; Ome 10: Omeprazole 10 mg; Ome 20: Omeprazole 20 mg; Lan 15: Lansoprazole 15 mg; Lan 30: Lansoprazole 30 mg; Eso 20: Esomeprazole 20 mg; Eso 40: Esomeprazole 40 mg.

*Greece, Italy, the Netherlands, Spain, France, Portugal, Sweden, Denmark, Ireland, Belgium, United Kingdom, Russia, Poland, and Lithuania.