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Volume 9, Number 4—April 2003

Research

Risk for Severe Group A Streptococcal Disease among Patients’ Household Contacts

Katherine A. Robinson*Comments to Author , Gretchen Rothrock†‡, Quyen N. Phan§, Brenda Sayler, Karen Stefonek#, Chris Van Beneden*, Orin S. Levine*, and for the Active Bacterial Core Surveillance/Emerging Infections Program Network
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †California Department of Health Services, Oakland, California, USA; ‡University of California, Berkeley, California, USA; §Connecticut Department of Public Health, Hartford, Connecticut, USA; Minnesota Department of Health, Minneapolis, Minnesota, USA; #Oregon Department of Human Resources, Portland, Oregon, USA

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Table 1

Demographic and clinical features of household contacts of invasive group A streptococcus index patientsa

Demographic or clinical feature No. of household contactsb Proportion of all household contacts (%)
Age (in y)c


0–4
177
11.9
5–17
398
26.7
18–34
324
21.7
35–49
290
19.5
50–64
157
10.5
>65
145
9.7
Sexd


Male
697
46
Female
810
54
Underlying medical condition


Chronic lung disease
46
3.0
Congestive heart failure
39
2.6
Insulin-dependent diabetes
32
2.1
Cancer (except skin)
23
1.5
Other immunocompromising conditionse
18
1.2
Liver disease
11
0.7
Chronic kidney disease 6 0.4

aN=1,514.
bHousehold contacts are counted more than once if multiple conditions exist.
cAge was missing for 23 household contacts.
dSex was unknown for seven household contacts.
eIncludes HIV infection, AIDS, intravenous drug use, chemotherapy for cancer, steroid use for other conditions such as recent organ transplant, or any illness from excessive use of alcohol.

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