From: Tuberculosis infection screening in children with close contact: a hospital-based study
Risk group | IGRA+/TST+ n (%) | IGRA−/TST+ n(%) | IGRA+/TST− n(%) | IGRA−/TST− n(%) | Kappa value | P value | Ratio of | OR(95%CI) | ||
---|---|---|---|---|---|---|---|---|---|---|
TST+/IGRA− and TST−/IGRA+ | IGRA+/TST+ vs. IGRA−/TST− | IGRA+/TST− vs. IGRA−/TST− | IGRA−/TST+ vs. IGRA−/TST− | |||||||
No reported contact risk (n = 5833) | 15 (0.3%) | 136 (2.3%) | 26 (0.4%) | 5656 (97.0%) | 0.15 | < 0.001 | 5.2 | Reference | Reference | Reference |
Non-household contact risk (n = 274) | 6 (2.2%) | 17 (6.2%) | 0 (0) | 251 (91.6%) | 0.39 | < 0.001 | – | 9.0 (3.5–23.4) | 1.0 (0.99–1.0) | 2.8 (1.7–4.7) |
Household contact risk (n = 95) | 4 (4.2%) | 13 (13.7%) | 1 (1.1%) | 77 (81.1%) | 0.31 | < 0.001 | 13 | 19.6 (6.4–60.4) | 2.8 (0.4–21.1) | 7.0 (3.8–12.9) |