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Table 3 Cardiac Anxiety Questionnaire, Body Sensations Questionnaire, and Patient Health Questionnaire-9 scores at baseline and at the end of the program, and comparison between intervention and control group regarding mean differences in these scores between baseline and at the end of the program

From: Guided Internet-delivered cognitive behavioural therapy in patients with non-cardiac chest pain – a pilot randomized controlled study

Variables Mean ± standard deviation
Intervention (n = 7) Control (n = 8)  
  Baseline End of program Mean differences Baseline End of program Mean differences P a
Cardiac Anxiety Questionnaire
 Total score 28.0 ± 11.6 23.4 ± 8.1 −4.6 ± 8.0 35.0 ± 8.8 31.8 ± 10.3 −3.3 ± 8.7 0.86
 Mean score 1.6 ± 0.6 1.3 ± 0.4 −0.3 ± 0.4 1.9 ± 0.5 1.8 ± 0.6 −0.2 ± 0.5 0.86
  Fear 2.0 ± 0.9 1.7 ± 0.6 −0.2 ± 0.8 2.3 ± 0.8 2.0 ± 0.9 −0.3 ± 0.5 0.64
  Avoidance 1.2 ± 0.8 0.9 ± 0.7 −0.3 ± 0.6 1.7 ± 1.0 1.7 ± 1.2 −0.1 ± 0.6 0.32
  Heart-focused attention 1.2 ± 0.8 1.0 ± 0.5 −0.2 ± 0.6 1.6 ± 0.5 1.4 ± 0.3 −0.2 ± 0.7 0.86
Body Sensations Questionnaire
 Total score 38.1 ± 12.0 33.7 ± 7.3 −4.4 ± 9.5 48.9 ± 12.2 41.8 ± 7.1 −7.1 ± 8.6 0.56
 Mean score 2.2 ± 0.7 2.0 ± 0.4 −0.3 ± 0.6 2.9 ± 0.7 2.5 ± 0.4 −0.4 ± 0.5 0.56
Patient Health Questionnaire-9
 Total score 7.0 ± 5.6 5.0 ± 3.4 −2.0 ± 6.6 6.3 ± 5.9 5.6 ± 7.4 −0.6 ± 4.7 0.60
  1. aDifferences between mean differences in the intervention and control groups