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. 2015 Nov 14;23:50. doi: 10.1186/s40199-015-0133-6

Table 3.

The effect of 20 mg and 40 mg doses of omeprazole and S-omeprazole

Drug and Dosage Therapeutic outcome Intra-gastric pH outcome
% of patients cured (i.e. treatment of H. pylori) Mean % (SD) % of patients cured (i.e. 24 h intra-gastric pH >4) Mean % (SD) Median intra-gastric pH within 24 h post dose Mean pH (SD) Mean time pH > 4 within 24 h post dose Mean h (SD) % time duration of 24 h with intra-gastric pH > 4 Mean % (SD)
Omeprazole (O 20) 80.0 (11.3), n = 2 37.5 (9.2), n = 2 4.7 (1.4), n = 4 14.5 (7.0), n = 3 55.6 (20.4), n = 3
Omeprazole (O 40) 79.8 (7.1), n = 4 75.0a n = 1 4.5a n = 1 17.8a n = 1 62.0a n = 1
S-Omeprazole (E 20) 83.0 (11.3) n = 2 49.0 (7.1), n = 2 4.9 (1.2), n = 4 15.0 (5.3), n = 3 60.7 (17.8), n = 3
S-Omeprazole (E 40) 84.0 (7.6) n = 4 88.0a n = 1 4.8a n = 1 19.2a n = 1 68.4a n = 1

aNo variance since n = 1; NR- Data not reported