Table 1.
Demographics and Clinical Data of 35 Patients With LAM Studied Longitudinally and 135 Patients With LAM Studied at a Single Time Point per Patient
| Category | Longitudinal Study | Cross-Sectional Study |
|---|---|---|
| No. of patients | 35 | 135 |
| Demographics | ||
| Caucasian | 31 (89) | 108 (80) |
| African American | 0 | 9 (7) |
| Asian | 2 (6) | 8 (6) |
| Hispanic | 2 (6) | 5 (4) |
| Other | 0 | 5 (4) |
| Clinical characteristics | ||
| Age of diagnosis, y | 34 ± 10.8 | 41 ± 9.9 |
| Age of initial symptoms, y | 35 ± 9.4 | 38 ± 11.0 |
| TSC | 6 (17) | 20 (15) |
| Oxygen therapy | 22 (63) | 32 (24) |
| Lymphangioleiomyomas | 19 (54) | 37 (27) |
| Angiomyolipomas | 18 (51) | 62 (46) |
Data are presented as No. (%) unless otherwise indicated. LAM = lymphangioleiomyomatosis; TSC = tuberous sclerosis complex.