Table 4. Overall yield of tests, by CD4 cell count at study enrollment (n = 419).
| Test | >200 n (%)N = 138 | 95% CI | 51–200 n (%)N = 117 | 95% CI | </ = 50 n (%)N = 164 | 95% CI |
| DZN | 11 (8.0) | 4.0–13.8 | 13 (11.1) | 6.0–18.2 | 18 (11.0) | 6.6–16.7 |
| DFM | 11 (8.0) | 4.0–13.8 | 14 (12.0) | 6.6–19.2 | 21 (12.8) | 8.1–18.9 |
| CFM | 15 (10.9) | 6.2–17.2 | 18 (15.4) | 9.3–23.2 | 25 (15.2) | 10.1–21.6 |
| Xpert | 25 (18.1) | 12.1–25.5 | 34 (29.1) | 21.0–38.1 | 44 (26.8) | 20.2–34.2 |
| LJ | 19 (13.8) | 8.4–20.6 | 37 (31.6) | 23.3–40.8 | 46 (28.0) | 21.3–35.5 |
| MGIT | 24 (17.4) | 11.4–24.7 | 45 (38.5) | 29.6–47.9 | 52 (31.7) | 24.6–39.4 |
Key: Direct Ziehl Neelsen, DFM = Direct Fluorescent Microscopy, CFM = Concentrated Fluorescent Microscopy, LJ = Lowenstein Jensen, MGIT = Mycobacterial Growth Indicator Tube, Xpert = Xpert MTB/RIF test, CI = Confidence Interval.