Table 4: Comparison of low and high apathy groups on demographic, psychological, neuropsychological, and medical variables.

Test statistic P value Chi-squares      Gender 2.08 0.21  Heart attack 1.54 0.28  Heart failure 1.03 0.50  High cholesterol 1.95 0.32  High blood pressure 0.01 1.00  CABG 0.00 1.00 t-tests      Age −0.67 0.51  METs 1.02 0.31  TMT A −1.95 0.06  TMT B −1.58 0.12  3MS −0.28 0.78  Rey-O Copy −0.62 0.54  Rey-O Recall −0.52 0.68  Ruff ADA 0.77 0.44  Ruff CSA 0.57 0.57  BDI-II −6.15 0.001

Note. AES: Apathy Evaluation Scale; CABG: Coronary Artery Bypass Graft; METs: metabolic equivalents; BDI: Beck Depression Inventory; 3MS: Mini Mental State Exam; TMT A: Trail Making Test A; TMT B: Trail Making Test B; Rey-O Copy: Rey Osterrieth Complex Figure Copy; Rey-O Recall: Rey Osterrieth Complex Figure Delayed Recall; Ruff ADA: Ruff 2 and 7 Automatic Detection Accuracy; Ruff CSA: Controlled Search Accuracy.