Table 2.

Characteristics of alopecia areata patients in relation to the presence of H. pylori

Characteristics	Presence of Helicobacter pylori (n = 18)(%)	Absence of Helicobacter pylori (n = 13)(%)	P
Age (years): Mean ± SD	25.28 ± 12.17	23.38 ± 7.81	NS
Sex incidence: No. (%)			NS
Males	12 (66.7)	9 (69.2)
Females	6 (33.3)	4 (30.8)
Duration (months):			NS
Mean ± SD	2.44 ± 2.74	2.23 ± 3.23
Course:			NS
Progressive	12 (66.7)	10 (76.9)
Stationary	6 (33.3)	3 (23.1)
Size (cm2): Mean ± SD	4.89 ± 2.76	4.53 ± 2.89 NS	NS
Sites multiplicity:			NS
Single	13 (72.2)	11 (84.6)
Multiple	5 (27.8)	2 (15.4)

NS: Not significant

Figures in parenthesis are in percentage.