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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Mov Disord. 2015 Jul 6;30(12):1657–1663. doi: 10.1002/mds.26291

Table 2.

Difference between groups in change from baseline in cognitive outcomes at 12 and 24 months

PRET vs. mFC (95% CI)1
Digit Span Forwards and Backwards (z-score)
  12 months −0.3 (−0.7 to 0.3)
p = 0.32
  24 months 0.3 (−0.3 to 1)
p = 0.27
Stroop Color-Word Interference (z-score)
  12 months 0.1 (−0.5 to 0.5)
p = 0.81
  24 months 0 (−0.4 to 0.5)
p = 0.77
Brief Test of Attention (z-score)
  12 months 0 (−0.5 to 0.5)
p = 0.77
  24 months 0 (−0.8 to 0.5)
p = 0.83

PRET, Progressive Resistance Exercise Training; mFC, Modified Fitness Counts; CI, Confidence Interval

1

Hodges-Lehman estimate of location shift and p-values calculated using Wilcoxon Rank-Sum test