Table 1 Baseline characteristics of index patients
From: TST positivity in household contacts of tuberculosis patients: a case-contact study in Malawi
Index case characteristics | NÂ =Â 34 |
|---|---|
Male sex, n (%) | 20 (58.8%) |
Age in years, median (IQR) | 31 (25–34) |
Body mass index in kg/m2, median (IQR) | 19.2 (17.3–20.4) |
Duration of cough in weeks, median (IQR) | 8 (4–12) |
Smoker, n (%) | 5 (14.7%) |
Peripheral blood WBC count in cells/μl median (IQR) | 6.6 (5.4–7.6) |
HIV positive, n (%) | 24 (72.7%) |
CD4 count of HIV positive patients, median (IQR) | 173 (115–360) |
HIV positive patients on ART at baseline, n (%) | 8 (38.1%) |
Cavities on baseline CXR, n (%) | |
No cavity | 12 (36.4%) |
Cavity <4Â cm diameter | 12 (36.4%) |
Cavity ≥4 cm diameter | 9 (27.3%) |
Amount (%) of abnormal lungfield on CXR, median (IQR) | 25 (18–35) |
Index smear status, n (%) | |
+ | 2 (5.9%) |
++ | 2 (5.9%) |
+++ | 30 (88.2%) |
Days-to-positivity on sputum culture, median (IQR) | 4 (3.5–6.5) |
%LB + AFB count, median (IQR) | 28.3 (17.1–48.0) |