Table 2. Demographics and clinical characteristics of HIV+ TB patients stratified by U-LAM dipstick result.
| Characteristics | U-LAM+ TB Patients (n = 22) |
U-LAM- TB Patients (n = 52) |
P* |
|---|---|---|---|
| Male sex (%) | 5 (23) | 22 (42) | 0.124 |
| Age, median years [25%ile, 75%ile] |
30 [26, 34] |
34 [29, 41] |
0.016 |
| Current smoker (%) | 2 (9) | 13 (25) | 0.205 |
| Previous TB (%) | 4 (18) | 10 (19) | 1 |
| CD4, median cells/mm3 [25%ile, 75%ile] |
36 [22, 131] |
176 [105, 216] |
0.0001 |
| Abnormal CXRa (%) | 15 (71) | 38 (76) | 0.768 |
| Initial sputum AFBb smear positive (%) | 11 (50) | 8 (15) | 0.003 |
| Two sputa combined AFB smear positive (%) | 11 (50) | 12 (23) | 0.030 |
| Initial sputum GeneXpert positive (%) | 19 (86) | 23 (44) | 0.0008 |
| Two sputa combined GeneXpert positive (%) | 20 (91) | 32 (62) | 0.013 |
*P-values for categorical variables are given using the Fisher’s exact test and for continuous variables using the Mann-Whitney U test;
a: CXR: chest X-ray;
b: AFB: acid fast bacilli