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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: J Sleep Res. 2011 May 18;21(1):113–121. doi: 10.1111/j.1365-2869.2011.00923.x

Figure 2.

Figure 2

Figure 2

Figure 2

Figure 2

Figure 2

Figure 2

Bland-Altman plots between Polysomnography and Actigraphy for Total Sleep Time (TST) (A) and Wake After Sleep Onset (WASO) (B). Data represent the mean bias ± standard deviation which provides an estimate of the degree of variation of the difference between polysomnography and actigraphy measures of the TST and WASO. JIA = ●, Asthma (AS) = □, + = controls.