Influence of the postoperative inflammatory response on cognitive decline in elderly patients undergoing on-pump cardiac surgery: a controlled, prospective observational study

Table 3 Statistical parameters of the Reliable Change Index modified for practice measured in normative controls

Cognitive test	r _xx	PE	SE_diff
MMSE	0.66	0.5^***	0.9
TMA	0.71	−7.6^**	14.0
TMB	0.60	−9.0	29.1
DS	0.81	2.5^*	6.1
Stroop W	0.66	1.6^***	5.7
Stroop C	0.84	3.0^***	4.8
Stroop CW	0.80	5.1^***	5.2

r _xx test-retest reliability coefficient, PE practice effect, and SE _diff standard error of the difference. The significance of PE was tested using paired t test. ^* p < 0.05; ^** p < 0.01, and ^*** p < 0.001; MMSE Mini Mental State Examination, TMA Trail Making Test A, TMB Trail Making Test B, DS Digit Symbol test, Stroop W Stroop word task, Stroop C Stroop colour task and Stroop CW Stroop colour-word task

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