Table 1

Probability values for each item of the PDSS comparing scores of patients with Parkinson’s disease with those of controls

VariableContrastStepdown Bonferroni p value
PD, Parkinson’s disease; PDSS, Parkinson’s disease sleep scale.
var1PD v control0.0573
var2PD v control0.5804
var3PD v control0.0061
var4PD v control0.0004
var5PD v control0.0045
var6PD v control<0.0001
var7PD v control<0.0001
var8PD v control<0.0001
var9PD v control<0.0001
var10PD v control0.0004
var11PD v control<0.0001
var12PD v control0.0070
var13PD v control<0.0001
var14PD v control0.0573
var15PD v control<0.0001