Table 2.

Differences Between Experimental and Control Groups in Length of Time From Entry into Study to Onset of Selected Locomotor Behaviors

Locomotor

Behavior
Experimental
Group
Control
Group
Mean
Difference
P
Value
Effect
Size
Raises self to
stand
134 (69.7)*194 (115.8) 60 .09 0.61
Walks with
help
166 (64.6) 240 (102.7) 73 .030.80
Walks
independently
300 (86.5) 401 (131.1)101 .02 0.83
  • *  Mean (standard deviation); unit = days.