Table 6.
Meta-analysis on psychological interventions as add-on to exercise based cardiac rehabilitation.
| Endpoints | Intervention | Number of Patients n (I; C) |
Heterogeneity | SMD | 95% CI | Annotations |
|---|---|---|---|---|---|---|
| depressive symptoms | LC | 165; 159 | I2 = 60% | −0.19 | −2.89; 2.51 | 2 studies f/u 12 m |
| DM | 266; 237 | I2 = 0% | −0.19 | −0.47; 0.10 | 4 studies f/u 6–12 m |
|
| LC + DM | 273; 226 | I2 = 58% | 0.03 | −0.56; 0.61 | 3 studies f/u 6–12 m |
|
| all interventions | 694; 622 | I2 = 44% | −0.13 | −0.30; 0.05 | 9 studies f/u 6–12 m |
|
| anxiety | LC | 52; 62 | n.a. | 0.04 | −0.33; 0.40 | 1 study f/u 12 m |
| DM | 256; 232 | I2 = 0% | −0.11 | −0.29; 0.06 | 1 study f/u 12 m |
|
| LC + DM | 57; 59 | n.a. | 0.43 | 0.07; 0.80 | 1 study f/u 6 m |
|
| all interventions | 365; 355 | I2 = 37% | 0.01 | −0.24; 0.27 | 6 study f/u 6–12 m |
Endpoints depressive symptoms and anxiety are displayed separately for each kind of intervention. All statistics according to random effects model. Abbreviations: LC: Lifestyle change intervention; DM: Distress management; I: Intervention; C: control-intervention; SMD: standardized mean difference; CI: confidence interval; f/u: follow up; m = months, n.a.: not available, I²: measure of heterogeneity according to Higgins und Thompson 2002 [223].