Table 2.
CVLT-II outcomes and composite memory Z-scores at baseline and at the end of CR1.
Cortisol groups | CVLT-II outcomes | Raw scores | Z-scores | |||
---|---|---|---|---|---|---|
Baseline Mean (SD) |
Follow-up Mean (SD) |
Baseline Mean (SD) |
Follow-up Mean (SD) | P value2 (P ≤ 0.05)* | ||
SDFR | 8 (3) | 10 (3) | −0.06 (1.02) | 0.81 (1.06) | <0.00005* | |
Normal cortisol | LDFR | 8 (3) | 11 (3) | −0.17 (1.06) | 0.75 (1.01) | <0.00005* |
Composite memory | — | — | −0.23 (2.00) | 1.56 (1.96) | <0.00005* | |
| ||||||
High cortisol | SDFR | 9 (4) | 10 (5) | 0.15 (1.14) | 0.43 (1.50) | 0.12 |
LDFR | 9 (4) | 11 (4) | 0.02 (1.29) | 0.63 (1.17) | 0.001* | |
Composite memory | — | — | 0.17 (2.31) | 1.07 (2.63) | 0.007* |
1CVLT-II: California Verbal Learning Test second edition; CR: cardiac rehabilitation; SDFR: short-delay free recall; LDFR: long-delay free recall.
2Two-tailed significance (paired sample t-tests) of differences in the CVLT-II SDFR and LDFR outcome Z-scores and composite memory Z-scores between baseline and follow-up in the normal and high cortisol groups.