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. Author manuscript; available in PMC: 2016 Jun 6.
Published in final edited form as: Am J Nephrol. 2015 Jun 6;41(0):305–312. doi: 10.1159/000430922

Table 2.

Coefficients from mixed-effects regression models relating change in 1/Scr with change in cognitive function.

Test Score Age Age*1/SCr1 Age*Sex*1/Scr2
Benton Visual Retention Test # errors 1.611** −0.510** −0.165**
Boston Naming Test # correct −1.294 0.488
CVLT Learning Slope Mean # of new words per trial −0.191** 0.126**
CVLT Free recall, short delay # correct −1.257** 0.337
CVLT Free recall, long delay # correct −1.335** 0.486
Digit Span Test, forward # correct −0.251 −0.020
Digit Span Test, backward # correct −0.247 −0.033
Category Fluency # correct −1.768** 0.256
Letter Fluency # correct −0.667 0.119
Trail-Making Test, Part A Time to completion 6.165* 1.133
Trail-Making Test, Part B Time to completion 19.48* 6.906
*

p<.05

**

p<.01

CVLT = California Verbal Learning Test; SCr = Serum creatinine concentration.

1

Test of the association of 1/SCr with change in score on cognitive test.

2

Test of the interaction between 1/SCr and sex on change in cognitive test score; where blank, no significant (p<.05) interaction detected.