. Author manuscript; available in PMC: 2019 Apr 1.

Published in final edited form as: Helicobacter. 2018 Feb 26;23(2):e12472. doi: 10.1111/hel.12472

Table 2.

Comparison of demographic characteristics between 45 patients with clarithromycin resistance alleles and 57 patients with only the wild-type 23S rRNA allele detected by the ddPCR assay

Patient Characteristic		No. (%) or mean (SD)		p
Patient Characteristic		Resistance allele n = 45	Wild-type allele n = 57	p
Age		52 (SD=15)	55 (SD=16)	0.4^†
Sex	Male	22 (49%)	30 (53%)	0.7^‡
Sex	Female	23 (51%)	27 (47%)
Race	White	15 (33%)	32 (56%)	0.02^‡,^§
	Black or African-American	3 (7%)	6 (11%)
	Asian	14 (31%)	7 (12%)
	Hispanic	8 (18%)	9 (16%)
	American Indian or Alaska Native	2 (4%)	1 (2%)
	Native Hawaiian or Other Pacific Islander	3 (7%)	2 (4%)

^†

p-value for Student’s t-test

^‡

p-value for chi-square test

^§

p-value for comparison of Asian to non-Asian race