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. 2014 Jul 29;1:9. doi: 10.1186/2052-6687-1-9

Table 3.

Results of univariate screening

Dependent variable	Variables included in univariate screening
SM clear over three years of age (1) or affected younger than three (0)	Percentage of cranium in quadrant 4, Palpebral aperture, Eye separation relative to cranium length, Cephalic index, Zygomatic arch-cranium width difference, Eye conformational abnormality*, Rostrocaudal doming, Lateral doming, Craniofacial index
SM clear over five years of age (1) or affected younger than five (0)	Percentage of cranium in quadrant 4, Palpebral aperture, Eye separation relative to cranium length*, Cephalic index, Zygomatic arch-cranium width difference, Eye conformational abnormality, Rostrocaudal doming, Lateral doming, Craniofacial index
SM clear over five years of age (0) or affected younger than three years of age (1)	Percentage of cranium in quadrant 4, Palpebral aperture, Eye separation relative to cranium length, Cephalic index, Zygomatic arch-cranium width difference (placed in final model based on hypothesis), Eye conformational abnormality, Rostrocaudal doming, Lateral doming, Craniofacial index

*= p < 0.2.