Periodic Limbic Movement Disorder during Sleep as Diabetes-Related Syndrome? A Polysomnographic Study

Table 3

Spearman’s rank correlation (r) between periodic limb movement index, and sleep functional data and Epworth Sleepiness Scale score.

Periodic limb movement index versus	𝑟	𝑃
Sleep efficiency	−0.56	0.0001
ESS score	0.93	0.0001
Total sleep time	−0.67	0.01
Arousal index	0.78	0.0001

Level of significance 𝑃<0.05.