Table 3

 Subgroup analyses of single and repeat falling at 8 weeks and 6 months

Exercise groupControl groupUnadjusted exercise−control difference (95% CI)p Value*
H&Y, Hoehn and Yahr; SAS, Self-assessment Parkinson’s Disease Disability Scale.
*Likelihood ratio test from logistic regression adjusted for number of falls/near falls in the previous year at baseline, SAS at baseline and centre.
†Exact confidence interval.
Falling
    8 weeks
        All cases37/65 (57%)42/64 (66%)−9% (−25%, 8%)0.423
        H&Y2–324/48 (50%)30/50 (60%)−10% (−29%, 10%)0.350
        H&Y413/17 (77%)12/14 (86%)−9% (−38%, 21%)†0.972
Falling
    6 months
        All cases46/63 (73%)49/63 (78%)−5% (−20%, 10%)0.645
        H&Y2–331/47 (66%)37/49 (76%)−10% (−27%, 9%)0.334
        H&Y415/16 (94%)12/14 (86%)8% (−18%, 37%)†0.279
Repeat falling
    8 weeks
        All cases21/65 (32%)28/64 (44%)−11% (−27%, 5%)0.245
        H&Y2–311/48 (23%)18/50 (36%)−13% (−30%, 5%)0.128
        H&Y410/17 (59%)10/14 (71%)−13% (−45%, 22%)†0.542
Repeat falling
    6 months
        All cases35/63 (56%)42/63 (68%)−11% (−27%, 6%)0.266
        H&Y2–320/47 (43%)31/49 (63%)−21% (−39%, −1%)0.046
        H&Y415/16 (94%)11/14 (79%)16% (−12%, 44%)†0.041