Cognitive Dysfunction after On-Pump Operations: Neuropsychological Characteristics and Optimal Core Battery of Tests

Table 5

ANCOVAs of intergroup differences in change of performance at follow-up with diagnosis and sex as grouping factors and age as a covariate (Study 2).

Tests	Time	Time/Group interaction	Intergroup differences
WAIS Digit Span Forward	𝐹1,74=0.58,𝑃=0.44	𝐹2,74=15.9,𝑃<0.001	CABG versus Ctr; OH versus Ctr
WAIS Digit Span Backward	𝐹1,74=0.63,𝑃=0.43	𝐹2,74=0.60,𝑃=0.55	NS
WAIS Block Designs	𝐹1,74=0.05,𝑃=0.83	𝐹2,74=2.53,𝑃=0.087	OH versus Ctr
WAIS Digit Symbol	𝐹1,74=0.18,𝑃=0.67	𝐹2,74=10.3,𝑃<0.001	CABG versus Ctr; OH versus Ctr
Mini-Mental State Examination	𝐹1,68=0.001,𝑃=0.98	𝐹2,68=2.36,𝑃=0.10	OH versus Ctr

Abbreviations: see Table 2.