Table 5.
Reclassification Among Household Contacts of Patients With Pulmonary Tuberculosis, Comparing the TB-Incident Model Risk Score to Saunders Risk Score
| Saunders Risk Score | TB-Incident Model Risk Score | |||
|---|---|---|---|---|
| Low Risk (≤ 5) | Medium Risk (6–10) | High Risk (≥ 11) | Total | |
| Contacts who developed incident TB within 1 year | ||||
| Low risk | 31 (62.0) | 13 (26.0) | 6 (12.0) | 50 |
| Medium risk |
11 (15.5) |
41 (57.7) |
19 (26.8) |
71 |
| High risk |
0 (0.0) |
8 (33.3) |
16 (66.7) | 24 |
| Total | 42 | 62 | 41 | 145 |
| Contacts who did not develop incident TB within 1 year | ||||
| Low risk | 3621 (83.9) | 609 (14.1) | 88 (2.0) | 4318 |
| Medium risk | 939 (38.7) | 1211 (49.9) | 278 (11.4) | 2428 |
| High risk | 43 (6.6) | 336 (51.4) | 275 (42.0) | 654 |
| Total | 4603 | 2156 | 641 | 7400 |
Data are presented as frequency (row %). Boldface text indicates positive reclassification; italic text indicates negative reclassification.
Abbreviation: TB, tuberculosis.