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. Author manuscript; available in PMC: 2014 Oct 2.
Published in final edited form as: J Pediatr. 2014 Jun 16;165(3):528–533.e1. doi: 10.1016/j.jpeds.2014.05.013

Table II.

PedsQL percent change from baseline over the 24-month study

Functionality parameter

Physical Emotional Social School Total
Intercept (LSM) 6.62 6.62 11.23 14.27 5.99
  P value .160 .136 .049 .004 .048
Slope 0.302 0.019 0.492 0.126 0.184
  P value .054 .890 .201 .598 .072

LSM, least squares mean.

To summarize the analyses of percent change in PedsQL item scores from baseline, regression analyses with a mixed model of ANOVA were performed. The intercept value (LSM) represents the change from the value under immediate release cysteamine from the prior study2 with its accompanying P value for that change. The slope represents the change from that new baseline during the 24 months of the current study using DR-CYS. There was no loss of the significant changes gained in the social, school, and total function parameters and no decline in the other 2 measured parameters (physical and emotional) during the 24-month study.