Table 1.

The efficacy of first-, second-, and third-line H. pylori eradication therapies

Therapy	Regimen	Number treated	Number successful	Success (%)	Bacteriolytic in regimen
First-line theraphy	PPI-based regimens	364	243	66.8	Amoxicillin, nitromidazole, clarithromycin, erythromycin, and tetracycline
First-line theraphy	Bi-based regimens	105	100	95.2	Amoxicillin, nitroimidazole, and clarithromycin
Second-line therapy	PPI-based regimens	16	6	37.5	Nitroimidazole, amoxicillin, and clarithromycin
Second-line therapy	Bi-based regimens	50	36	72.0	Nitroimidazole, tetracycline, amoxicillin, and clarithromycin
Third-line therapy	Other regimens	14	8	57.1	Omeprazole, rifabutin, and amoxicillin
Third-line therapy	Bi-based regimens	6	5	83.3	Clarithromycin, tetracycline, and tinidazole