| TB CAP | Non-TB CAP | Sensitivity | Specificity | Relative risk (95% CI) | p-value | |
| Age <65 years | 55 (91.7) | 3051 (44.1) | 91.7 | 55.9 | 13.7 (5.5–34.2) | <0.001 |
| Night sweats | 18 (30) | 298 (4.3) | 30.0 | 95.7 | 9.2 (5.4–15.9) | <0.001 |
| Haemoptysis | 12 (20) | 291 (4.2) | 20.0 | 95.8 | 5.5 (3.0–10.2) | <0.001 |
| HIV/AIDS | 15 (25) | 436 (6.2) | 25.0 | 93.7 | 4.8 (2.7–8.6) | <0.001 |
| Absence of diabetes | 56 (93.3) | 5721 (82.7) | 93.3 | 17.3 | 2.9 (1.1–8.0) | 0.02 |
| 10% or less of ideal body weight | 12 (20) | 251 (3.6) | 20.0 | 96.4 | 6.4 (3.4–11.9) | <0.001 |
| Prior history of TB | 5 (8.3) | 228 (3.3) | 8.3 | 96.7 | 2.6 (1.1–6.5) | 0.049 |
| Recent exposure to TB | 4 (6.7) | 32 (0.5) | 6.7 | 99.5 | 13.7 (5.3–36) | <0.001 |
| History of positive PPD | 3 (5) | 88 (1.3) | 5 | 98.7 | 4.0 (1.3–12.5) | 0.04 |
| Weight loss | 27 (45) | 517 (7.5) | 45 | 92.5 | 9.7 (5.9–16) | <0.001 |
Data are presented as n (%), unless otherwise stated. CAP: community-acquired pneumonia; PPD: purified-protein derivative test.