. Author manuscript; available in PMC: 2014 Feb 4.

Published in final edited form as: J Med Genet. 2009 Nov 12;47(4):242–248. doi: 10.1136/jmg.2009.072553

Table 4.

Individual phenotype characteristics of cases with and without C-terminal (CT) deletions

Factor	CT status	No with factor	χ² test p value
Ever walked	No CT deletion	505 (67.24%)	0.027
Ever walked	CT deletion	62 (79.49%)
Currently walking	No CT deletion	299 (42.05%)	0.225
Currently walking	CT deletion	37 (49.33%)
Ever talked	No CT deletion	357 (50.21%)	0.772
Ever talked	CT deletion	40 (51.95%)
Currently talking	No CT deletion	22 (3.09%)	0.374
Currently talking	CT deletion	1 (1.30%)
Ever had hand use	No CT deletion	661 (91.68%)	0.365
Ever had hand use	CT deletion	71 (94.67%)
Maintained hand use	No CT deletion	166 (25.27%)	0.296
Maintained hand use	CT deletion	22 (30.99%)
Air swallowing	No CT deletion	281 (42.58%)	0.098
Air swallowing	CT deletion	23 (32.39%)
Currently normal head circumference	No CT deletion	38 (7.87%)	0.001
Currently normal head circumference	CT deletion	11 (21.57%)
Currently normal weight	No CT deletion	79 (20.90%)	0.001
Currently normal weight	CT deletion	18 (43.90%)
Kyphosis	No CT deletion	38 (7.68%)	0.005
Kyphosis	CT deletion	11 (18.64%)
Non-abnormal muscle tone	No CT deletion	61 (22.68%)	0.018
Non-abnormal muscle tone	CT deletion	12 (42.86%)