Document Classification

Section Type: METHODS

Text: Two hundred and eighty consecutive patients who failed to respond to standard triple therapy (clarithromycin, amoxicillin, rabeprazole) were randomly assigned to four groups : (1) levofloxacin 500 mg o. d., amoxicillin 1 g b. d., rabeprazole 20 mg b. d. for 10 days (LAR, n = 70) ; (2) levofloxacin 500 mg o. d., tinidazole 500 mg b. d., rabeprazole 20 mg b. d. for 10 days (LTR, n = 70) ; (3) tetracycline 500 mg q. d. s., metronidazole 500 mg t. d. s., bismuth salt 120 mg q. d. s., rabeprazole 20 mg b. d. for 7 days (7TMBR, n = 70) ; and (4) for 14 days (14TMBR, n = 70).