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Table 2 ACS patient data: baseline (before CR), follow-up (after CR) and norm data (n = 70)

From: Mental and psychosocial health and health related quality of life before and after cardiac rehabilitation: a prospective cohort study with comparison to specific population norms

   

Baseline

 

Follow-up

 

ES

SRM

Mean

95%-CI

Mean

95%-CI

SF-36

Score

(mean, sd)

51.7

23.3

 

75.9

17.2

 

1.04

0.83

1.24

1.20

0.96

1.43

Physical functioning

Norm

(mean, sd)

68.9

22.5

 

68.7

22.8

       
 

SMD

(mean, 95%-CI)

− 0.75

− 1.09

− 0.40

0.35

0.02

0.69

      

SF-36

Score

(mean, sd)

41.0

30.4

 

65.7

25.6

 

0.81

0.59

1.04

0.85

0.62

1.09

Role physical

Norm

(mean, sd)

64.4

20.4

 

64.2

20.9

       
 

SMD

 

− 0.90

− 1.25

− 0.56

0.06

− 0.27

0.39

      

SF-36

Score

(mean, sd)

59.6

29.3

 

79.0

23.1

 

0.66

0.47

0.86

0.80

0.57

1.04

Bodily pain

Norm

(mean, sd)

52.3

12.3

 

52.1

12.5

       
 

SMD

(mean, 95%-CI)

0.32

− 0.01

0.65

1.43

1.07

1.80

      

SF-36

Score

(mean, sd)

62.1

19.8

 

72.8

17.1

 

0.54

0.33

0.75

0.61

0.38

0.85

General health

Norm

(mean, sd)

53.4

9.1

 

53.4

9.1

       
 

SMD

(mean, 95%-CI)

0.57

0.23

0.90

1.41

1.04

1.78

      

SF-36

Score

(mean, sd)

54.7

20.6

 

70.5

18.9

 

0.76

0.55

0.97

0.86

0.63

1.10

Vitality

Norm

(mean, sd)

54.7

10.2

 

54.6

10.2

       
 

SMD

(mean, sd)

0.00

− 0.33

0.33

1.04

0.69

1.39

      

SF-36

Score

(mean, sd)

71.8

29.5

 

86.3

22.6

 

0.49

0.28

0.71

0.55

0.31

0.78

Social functioning

Norm

(mean, sd)

81.3

7.3

 

81.2

7.3

       
 

SMD

(mean, 95%-CI)

− 0.44

− 0.77

− 0.11

0.30

− 0.03

0.63

      

SF-36

Score

(mean, sd)

71.8

29.9

 

81.7

23.3

 

0.33

0.11

0.55

0.36

0.12

0.60

Role emotional

Norm

(mean, sd)

81.9

9.1

 

81.9

9.1

       
 

SMD

(mean, 95%-CI)

− 0.45

− 0.79

− 0.12

− 0.01

− 0.34

0.32

      

SF-36

Score

(mean, sd)

76.1

17.5

 

83.2

16.7

 

0.40

0.19

0.61

0.45

0.21

0.69

Mental health

Norm

(mean, sd)

70.1

7.4

 

70.0

7.4

       
 

SMD

(mean, 95%-CI)

0.45

0.12

0.78

1.01

0.66

1.37

      

SF-36

Score

(mean, sd)

37.3

11.0

 

47.3

7.5

 

0.91

0.71

1.12

1.05

0.81

1.28

Physical CS

Norm

(mean, sd)

40.4

7.6

 

40.3

7.7

       
 

SMD

(mean, 95%-CI)

− 0.33

− 0.66

0.01

0.91

0.57

1.26

      

SF-36

Score

(mean, sd)

50.9

12.3

 

54.0

10.3

 

0.25

0.07

0.44

0.32

0.08

0.56

Mental CS

Norm

(mean, sd)

51.1

2.9

 

51.1

2.9

       
 

SMD

(mean, 95%-CI)

− 0.02

− 0.35

0.31

0.38

0.05

0.71

      

SCL-90R

Score

(mean, sd)

87.7

14.9

 

93.0

12.7

 

0.35

0.23

0.47

0.68

0.44

0.92

Depression

Norm

(mean, sd)

89.8

3.5

 

89.8

3.5

       
 

SMD

(mean, 95%-CI)

− 0.20

− 0.53

0.13

0.33

0.00

0.66

      

SCL-90R

Score

(mean, sd)

92.8

9.6

 

96.3

7.9

 

0.36

0.19

0.54

0.49

0.26

0.73

Anxiety

Norm

(mean, sd)

93.6

2.4

 

93.6

2.4

       
 

SMD

(mean, 95%-CI)

− 0.12

− 0.45

0.21

0.45

0.12

0.79

      

SCL-90R

Score

(mean, sd)

95.0

8.2

 

96.0

7.7

 

0.12

0.00

0.25

0.23

-0.01

0.47

Phobic anxiety

Norm

(mean, sd)

96.8

1.2

 

96.8

1.2

       
 

SMD

(mean, 95%-CI)

− 0.31

− 0.64

0.02

− 0.15

− 0.48

0.18

      

SCL-90R

Score

(mean, sd)

94.0

9.1

 

96.1

7.0

 

0.23

0.08

0.39

0.35

0.12

0.59

Interpersonal sensitivity

Norm

(mean, sd)

91.1

2.2

 

91.0

2.2

       
 

SMD

(mean, 95%-CI)

0.44

0.11

0.78

0.98

0.63

1.32

      

SCL-90R

Score

(mean, sd)

86.2

12.3

 

91.8

8.2

 

0.45

0.29

0.61

0.67

0.44

0.91

Somatization

Norm

(mean, sd)

88.5

3.3

 

88.5

3.3

       
 

SMD

(mean, 95%-CI)

− 0.26

− 0.59

0.07

0.51

0.18

0.85

      

CSQ Catastrophizing

Score

(mean, sd)

83.6

16.8

 

91.3

13.0

 

0.46

0.26

0.65

0.56

0.32

0.79

CSQ Control pain

Score

(mean, sd)

55.1

28.2

 

68.2

30.2

 

0.47

0.23

0.71

0.46

0.22

0.69

CSQ Decrease pain

Score

(mean, sd)

54.4

26.8

 

68.5

24.7

 

0.53

0.27

0.78

0.48

0.24

0.72

6MWD

meters

(mean, sd)

361.8

125.5

 

479.8

118.5

 

0.94

0.75

1.13

1.19

0.95

1.43

  1. SF-36 = Short Form 36; CS = component summary; SCL-90R = Symptom Checklist-90 Revised; CSQ = Coping Strategies Questionnaire; 6MWT = 6 min walking test. Scaling of all scores: 0 = worst (maximal symptoms/disability); 100 = best (no symptoms/full function); exception: 6MWD (meters), sd = standard deviation for scores and norms or the lower and upper limit of the 95% confidence interval (95% CI) for the SMD, SMD = standardized mean difference between the scores and the norms; ES = effect size (according to Kazis), SRM = standardized mean difference (according to Liang), CI = confidence interval of the SMD/ES/SRM; p = type I error of the test that the SMD ≠ 0 (2-tailed, independent samples)