. Author manuscript; available in PMC: 2009 Oct 1.

Published in final edited form as: Genes Immun. 2009 Feb 12;10(3):267–272. doi: 10.1038/gene.2009.2

Table 2. Clinical characteristics of cholera index cases and their affected and unaffected relatives ^*.

	Index Cases (n= 71)	Affected relatives (n= 95)	Unaffected relatives (n =107)	P value ^***
Age (years) ^**	18.7 ± 14.5	20.0 ± 14.5	26.0 ± 15.0	0.001
Male gender	35 (49%)	43 (45%)	53 (50%)	0.805
Vibriocidal Titer, Day 2 ^**	304 ± 732	516 ± 1163	785 ± 2725	0.239
Blood Group O	28 (39%)	37 (39%)	34 (32%)	0.464

Table excludes 4 relatives with unknown affected status

^**

Mean ± S.D.

^***

Continuous variables were compared using one-way ANOVA and dichotomous variables were compared by two-sided Pearson Chi Square

Table 2. Clinical characteristics of cholera index cases and their affected and unaffected relatives *.