Clinical characteristics (n = 52)
| Mean | Range | |
| Age at initial evaluation (y) | 7.9 | 1.0–16 |
| Age at most recent evaluation (y) | 15.5 | 3.0–28 |
| Length of follow up (y) | 7.7 | 2.0–15 |
| No. (%) | Male | |
| Familial Marfan cases (%) | 33 (63) | 15 |
| Sporadic Marfan cases (%) | 19 (37) | 10 |
| Pectus deformity (%) | 35 (67) | 14 |
| Excavatum (%) | 13 (25) | 8 |
| Carinatum (%) | 22 (42) | 13 |
| Scoliosis (%) | 23 (44) | 12 |
| Ectopia lentis (%) | 32 (62) | 14 |