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Demographic Characteristics of Controls and Cases with Isolated Microtia in ECLAMC, Period: 1982–2011.
| Controls n=1,194 Mean (SD) |
Isolated microtia n=1,194 Mean (SD) |
|
|---|---|---|
| Birth weight | 3181.7 (560.1) | 3163.0 (613.1) |
| Gestational Age (weeks) | 38.9 (2.2) | 39.0 (2.4) |
| Parity | 2.4 (1.8) | 2.7 (2.0) |
| Maternal age | 25.7 (6.6) | 26.1 (6.4) |
| Paternal age | 29.1 (7.8) | 29.5 (7.5) |
SD: standard deviation
