| Age |
|
| Range | 1 - 19 yrs |
| Mean | 7 yrs |
| SD | 3.6 yrs |
| Sex | 22 (44%) |
| Females/Males | 28 (56%) |
| Family backgrounds |
|
| Yes | 23 (46%) |
| Non | 27 (54%) |
| Clinical characteristics |
|
| Microtia | 50 (100%) |
| Unilateral | 35 (70%) |
| Right side | 29 (58%) |
| Hemifacial microsomia | 50 (100%) |
| Calyceal Dilatation | 1 (2%) |
| Global developmental delay | 2 (4%) |
| Skeletal | 7 (14%) |
| Vertebral fusion anomalies | 2 (4%) |
| Scoliosis | 3 (6%) |
| Vertebral segmentation defect | 1 (2%) |
| Transverse limb defects (upper limb) | 1 (2%) |