Accuracy and Incremental Yield of the Chest X-Ray in Screening for Tuberculosis in Uganda: A Cross-Sectional Study

Table 1

Demographic, clinical, and radiographic characteristics of the study population.

Characteristic	N (%)
Age
15-24 yrs	767 (17)
25-34 yrs	846 (19)
35-44 yrs	860 (19)
45-54 yrs	727 (16)
55-64 yrs	474 (11)
65+ yrs	838 (18)
Female	2266 (50)
Education
None	1283 (28)
Primary	2135 (47)
Secondary	890 (20)
Tertiary	204 (5)
Employed	3603 (80)
Rural residence	2889 (64)
Smoking
Never	3277 (73)
Current	640 (14)
Past	595 (13)
HIV
Positive	392 (10)
Symptom characteristics^∞
Cough^∞	2827 (63)
Fever^∞	668 (14)
Weight loss^∞	608 (14)
Night sweats^∞	394 (9)
CXR characteristics
Normal	2784 (63)
Abnormal healed TB	232 (5)
Abnormal active TB	275 (6)
Abnormal not TB	1150 (26)
Culture confirmed TB
MTB	160 (3)
MOTT	26 (1)
Contaminated	57 (1)
Negative	4269 (95)

missing 474/4512 (10.1%), missing 71/4512 (1.6%) participants who declined to have a CXR examination, ^∞each individual characteristics .