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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Sleep Med. 2014 Jun 6;15(11):1362–1369. doi: 10.1016/j.sleep.2014.05.004

Figure 2.

Figure 2

The change in the NEPSY Cognitive Index (ΔCI) after adenotonsillectomy is plotted against the change in the periodic leg movement with arousal index (ΔPLMAI). R2 = .044, p = .017. The few outliers with more extreme changes in PLMAI were likely to be influential, as a non-parametric Spearman correlation coefficient did not confirm a significant association (rho = −.14, p = .11).