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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)