Table 5.
Univariate and multivariate regression analysis: physical variables and depressive symptoms as predictors for objective and subjective cognitive impairment
| Variable | Subjective cognitive impairment | Objective cognitive impairment | ||
|---|---|---|---|---|
| β value | P value | β value | P value | |
| Univariate | ||||
| pVO2 (mL/min/kg) | −0.19 | 0.41 | 0.20 | 0.16 |
| LVEF (%) | 0.24 | 0.11 | −0.17 | 0.25 |
| 6-minute walk test (m) | 0.01 | 0.95 | 0.069 | 0.64 |
| Depressive symptoms (HADS) | 0.27 | 0.71 | 0.01 | 0.94 |
| Multivariate | ||||
| pVO2 (mL/min/kg) | −0.25 | 0.15 | 0.39 | 0.04 |
| LVEF (%) | 0.33 | 0.04 | −0.13 | 0.45 |
| 6-minute walk test (m) | 0.13 | 0.44 | −0.12 | 0.51 |
| Depressive symptoms (HADS) | 0.28 | 0.069 | 0.08 | 0.60 |
Abbreviations: pVO2, peak oxygen uptake; LVEF, left ventricular ejection fraction; HADS, Hospital Anxiety and Depression Scale.