Table 2.
Clinical Outcomes of 421 Patients With Nontuberculous Mycobacterial Pulmonary Disease
| Patients Without Cavity (n = 329) | Patients With ≤2-cm-Sized Cavities (n = 48) | Patients With >2-cm-Sized Cavities (n = 44) | P Value | |
|---|---|---|---|---|
| Follow-up duration, median (IQR), mo | 49 (31–71) | 41 (24–62) | 51 (34–76) | .212 |
| Observed without treatment, No. (%) | 211/329 (64.1) | 17/48 (35.4) | 11/44 (25.0) | <.001 |
| Spontaneous conversion in patients without treatment, No. (%)a | 66/211 (31.3) | 8/17 (47.1) | 4/11 (36.4) | .396 |
| Treated with antibiotics, No. (%) | 118/329 (35.9) | 31/48 (64.6) | 33/44 (75.0) | <.001 |
| Microbiological cure, No. (%)b | 71/118 (60.2) | 15/31 (48.4) | 12/33 (36.4) | .045 |
Abbreviation: IQR, interquartile range.
The denominators were patients who were observed without treatmenta and patients who were treated with antibiotics,b respectively.