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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Arch Dis Child. 2014 Sep 3;99(12):1125–1131. doi: 10.1136/archdischild-2014-306286

Figure 2.

Figure 2

The association of the percent of pupil constriction with pain intensity determined by patient self-report using a validated visual analog scale (VAS). The association was statistically significant (p < 0.01). The error bars reflect the ± standard error of the mean for each point.