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. 2016 Jul 15;16:91. doi: 10.1186/s12887-016-0627-5

Table 2.

The development of motor skills

M-ABC-2 standard score
Mean (SD)
Difference in change at 6 weeks Difference in change at 52 weeks
Variable Baseline 6 weeks 52 weeks Mean P-value Mean P-value
(N = 51/55) (N = 43/51) (N = 37/48) (95 % CI) (95 % CI)
Manual dexterity
 Standard 25.0 (6.4) 26.0 (6.6) 27.4 (6.0) −0.95 (−3.4 to 1.5) 0.45 −1.4 (−4.0 to 1.1) 0.27
 Day Camp 24.0 (6.7) 24.4 (5.4) 25.6 (6.4)
Aiming and catching
 Standard 17.7 (4.4) 20.3 (4.8) 20.3 (5.7) −2.2 (−4.1 to −0.4) 0.02 −2.7 (−4.6 to −0.8) 0.01
 Day Camp 19.8 (3.9) 20.3 (4.4) 19.4 (4.1)
Balance skills
 Standard 22.8 (7.2) 23.6 (8.3) 26.8 (6.7) 3.5 (0.5 to 6.4) 0.02 −0.4 (−3.4 to 2.7) 0.81
 Day Camp 21.2 (6.2) 25.7 (6.4) 25.2 (6.3)
Overall motor skills
 Standard 65.3 (11.9) 69.9 (13.3) 74.5 (12.4) 0.3 (−4.7 to 5.3) 0.91 −4.6 (−9.7 to 0.6) 0.09
 Day Camp 64.8 (12.4) 70.5 (11.2) 70.4 (12.4)

The absolute values and the difference in change of the motor skill subscales and the overall motor skills from the Movement ABC-2 test standard scores