Table 2 Mean scores and correlations among hospital anxiety and depression scale, perceived stress scale, cardiac self-efficacy scale and health-related quality of life

HADS

 HADS_Anxiety

3.36 (3.60)

−0.36*

−0.57*

 HADS_Depression

3.05 (2.95)

−0.51*

−0.56*

Perceived stress scale

11.33 (7.11)

−0.43*

−0.57*

Cardiac self-efficacy scale

 Controlling symptoms

3.17 (0.73)

0.35*

0.25*

 Maintaining functioning

3.03 (0.95)

0.54*

0.42*

SF-12v 2

 Physical component summary

46.35 (8.71)

1

0.34*

 Mental component summary

50.30 (9.22)

0.34*

1