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Table 2 Periodic limb movements and sleep duration measures

From: Increased nocturnal periodic limb movements in rheumatoid arthritis patients meeting questionnaire diagnostic criteria for restless legs syndrome

Measure

RLS- (SD) [nā€‰=ā€‰34]

RLSā€‰+ā€‰(SD) [nā€‰=ā€‰23]

Significance

PLMs/hour Night 1

10.62 (12.35)

20.04 (21.76)

0.015

PLMs/hour Night 2

11.59 (13.05)

19.22 (23.40)

0.088

Average PLMs/hour

11.13 (12.10)

19.63 (22.13)

0.033

Duration of sleep (hours) Night 1

07:47 (01:29)

08:04 (01:12)

0.459

Duration of sleep (hours) Night 2

07:46 (01:32)

07:44 (00:51)

0.588

Average sleep duration (hours)

07:47 (01:27)

07:54 (00:56)

0.890

  1. Mean values provided for non-categorical data; RLS: restless legs syndrome; SD: standard deviation; PLMs: periodic limb movements.