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Table 7 Correlations of parent sum strategies used with a given youth outcome

From: Controlled trial of lovastatin combined with an open-label treatment of a parent-implemented language intervention in youth with fragile X syndrome

OutcomeLovastatin+PILIPlacebo+PILIBetween-group comparison
Corr coeff. rWithin-group (H0: r = 0)Corr coeff. rWithin-group (H0: r = 0)
Child total # of utterances− 0.095z = − 0.10 (0.7742)0.647z = 0.77 (0.0054)z = − 2.0 (0.0455)
Child # different words− 0.194z = − 0.20 (0.5562)0.704z = 0.88 (0.0016)z = − 2.47 (0.0135)
Clinical Global Impression (CGI) - Improvement− 0.38z = − 0.41 (0.2243)0.43z = 0.46 (0.0991)z = − 1.98 (0.0477)
VAS: spoken language impairment0.306z = 0.32 (0.3425)0.299z = 0.31 (0.2663)z = 0.02 (0.9840)
VAS: social impairment0.356z = 0.37 (0.2643)− 0.378z = − 0.39 (0.1568)z = 1.78 (0.0751)