Success of susceptibility-guided eradication of Helicobacter pylori in a region with high secondary clarithromycin and levofloxacin resistance rates

Table 3 Rates of antimicrobial resistance stratified by patient characteristics

Characteristics	Clarithromycin		P value	Levofloxacin		P value
	Resistant	Sensitive		Resistant	Sensitive
Age (yr)
≥ 50	20	11	0.068	64	21	0.060
< 50	35	74		28	19
Gender
Male	48	13	0.275	43	18	0.854
Female	61	10		49	22
Current smoking
Yes	20	3	0.076	15	8	0.607
No	89	20		77	32
Current drinking
Yes	24	2	0.246	17	9	0.593
No	85	21		75	31
BMI (kg/m2)
≥ 24	51	10	0.772	45	16	0.345
< 24	58	13		47	24
Hypertension
Yes	20	2	0.363	18	4	0.175
No	89	21		74	36
Diabetes melllitus
Yes	11	4	0.297	10	5	0.772
No	98	19		82	35
Symptoms
Yes	73	10	0.034	61	22	0.217
No	36	13		31	18
Family members with Helicobacter pylori infection
Yes	34	7	0.943	27	14	0.519
No	75	16		65	26
Family histories of gastric cancer
Yes	15	1	0.303	10	6	0.565
No	94	22		82	34
Residence region
Urban	83	20	0.255	66	37	0.008
Rural	26	3		26	3

BMI: Body mass index.