TABLE 1.
Clinical data collected according to self-report categories
| Self-Report Status
|
|||
|---|---|---|---|
| Unaffected | Affected | Unknown | |
| Data Obtained | (n = 417) | (n = 291) | (n = 14) |
| Questionnaire | 403 (96.6) | 217 (74.6) | 10 (71.4) |
| DLCO | 349 (83.7) | 223 (76.6) | 5 (35.7) |
| Chest X-ray | 395 (94.7) | 168 (57.7) | 12 (85.7) |
| High-resolution CT chest scan | 112 (26.9) | 228 (78.4) | 7 (50.0) |
| Transbronchial biopsy | 0 (0.0) | 31 (10.7) | 2 (14.3) |
| Surgical lung biopsy | 3 (0.7) | 81 (27.8) | 1 (7.1) |
| Autopsy confirmed | 2 (0.5) | 17 (5.8) | 0 (0.0) |
Definition of abbreviations: CT = computed tomography; DLCO = carbon monoxide diffusing capacity.
Percentages are shown in parentheses.