Table 1.

Demographic Characteristics of 52 Cases With Invasive Group A Streptococcal Infection and 172 Controls With Uncomplicated Varicella

(n = 52) %
(n = 172) %
P Value
Race, white6479<.05
Hispanic origin3320NS
Sex, male5647NS
Mean age in months (standard deviation)58 (32)62 (34)NS
Respondent's education level
 <High school128NS
 High school3532
 Some college2734
Household income
Mean persons per bedroom
  • NS indicates not significant.