Punctual mutations in 23S rRNA gene of clarithromycin-resistant Helicobacter pylori in Colombian populations

Table 6 Concordance between mutations in 23S rRNA gene and success or failure of anti-Helicobacter pylori treatment in the studied populations

Breath test[13C]-urea	Population at risk of gastric cancer				Total
	Low risk n = 39		High risk n = 17
	Mutant	No mutant	Mutant	No mutant	Mutant	No mutant
Positive
Therapeutic failure	18	3	8	1	26	4
Negative
Therapeutic Success	3	15	2	6	5	21
Total	21	18	10	7	31	25
Kappa	k = 0.69		k = 0.64		k = 0.71