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. 2016 Feb 1;39(2):413–421. doi: 10.5665/sleep.5454

Figure 4.

Figure 4

Individual percentages of reference leg movements (refLMs) with a contralateral LM classified as bilateral according to the definition of bilateral movements of the World Association of Sleep Medicine and the International Restless Legs Syndrome Study Group. (WASM/IRLSSG) and the American Academy of Sleep Medicine (AASM). For each subject, 100% represents the total number of reference LMs where a contralateral LM was observed within the interval from 5 sec before the onset to 5 sec after the offset of the reference LM. From left to right: Percentage of reference LMs classified as bilateral according to (1) the WASM/ IRLSSG rules, (2) the AASM rules, (3) both rules, (4) according to the WASM/IRLSSG but not the AASM rules, (5) according to the AASM but not the WASM/IRLSSG, or (6) not classified as bilateral by either set of rules. The bottom and the top of the boxes represent the first and third quartile (25%/75%), the thick black band inside the box denotes the median. Whiskers extent to ± 1.58 times the interquartile range divided by the square root of the number of observations. Any data point outside this range is depicted as an individual open circle.