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Table 2 Correlations between arrhythmia-specific symptoms in ASTA

From: Development and validation of a new Arrhythmia-Specific questionnaire in Tachycardia and Arrhythmia (ASTA) with focus on symptom burden

  ASTA 1 2 3 4 5 6 7 8 9 10 11 12 13
1 Breathlessness during activity 1             
2 Breathlessness even at rest 0.60*** 1            
3 Dizziness 0.20
**
0.26*** 1           
4 Cold sweat 0.21** 0.28*** 0.32*** 1          
5 Pronounced tiredness 0.42*** 0.34*** 0.34*** 0.29*** 1         
6 Chest pain 0.23*** 0.27*** 0.35*** 0.24*** 0.20
**
1        
7 Pressure/ discomfort in chest 0.28
***
0.39
***
0.28*** 0.24*** 0.18** 0.57*** 1       
8 Worry 0.07ns 0.17** 0.21** 0.16* 0.24*** 0.16* 0.21** 1      
9 Weakness 0.40*** 0.36*** 0.33*** 0.33*** 0.60*** 0.13* 0.16* 0.26*** 1     
10 Infirmity 0.41*** 0.30*** 0.31*** 0.31*** 0.64*** 0.10ns 0.11ns 0.31*** 0.68
***
1    
11 Near syncope 0.24*** 0.14* 0.44*** 0.20** 0.19** 0.14* 0.09ns 0.08ns 0.22** 0.18
**
1   
12 Syncope 0.10ns 0.02ns 0.10ns 0.09ns 0.14* 0.11ns 0.05ns 0.12ns 0.07ns 0.11
ns
0.47
***
1  
13 Tiredness afterwards 0.22** 0.23** 0.30*** 0.27*** 0.62*** 0.29*** 0.23** 0.16* 0.43*** 0.46
***
0.09ns 0.04ns 1
  1. Statistic correlation analyses were performed using Spearman´s correlation coefficient.
  2. *** p<0.001, **p<0.01 and *p<0.05, ns=not significant.