Table 3. Post stroke impairments between patients with or without sleep disturbance.

Values are presented as mean±standard deviation.

PSQI, Pittsburg Sleep Quality Index; ESS, Epworth Sleepiness Scale; ISI, Insomnia Severity Scale; BDI, Beck Depression Inventory; MBI, Modified Barthel Index; group 1, good sleeper; group 2, poor sleeper.

^a)p<0.05, derived from t-test.

^b)p<0.05, Mann-Whitney U test between groups 1 and 2.