TABLE 3.
Nested classification analysis of three factors (DRB1∗02, BCG, and IL-10 status) and their interactions in pulmonary tuberculosis patients (n = 71)
| DRB1∗02 status | BCG scar status | IL-10-negative patients
|
IL-10-positive patients
|
||||
|---|---|---|---|---|---|---|---|
| No. observed | No. expected | z valuea | No. observed | No. expected | z value | ||
| Negative | Negative | 9 | 7.4 | 0.6 | 24 | 24.7 | −0.1 |
| Positive | 3 | 4.6 | −0.7 | 4 | 3.3 | 0.4 | |
| Positive | Negative | 9 | 10.6 | −0.5 | 13 | 12.3 | 0.2 |
| Positive | 8 | 6.4 | 0.6 | 1 | 1.7 | −0.5 | |
a
Standardized deviate (z value) = (observed − expected)/√expected.