Volume 9, Number 4—April 2003
Research
Risk for Severe Group A Streptococcal Disease among Patients’ Household Contacts
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.