Group
Age (Year)
Mean ± SD
D
*
6.0 ± 1.5
WOD
6.9 ± 1.4
R/L
**
5.8 ± 1.4
WOR/L
6.7 ± 1.6
R
5.5 ± 1.8
WOR
6.2 ± 1.5