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Table 3 Correlation coefficients (Pearson) between the original 7 items and the SF-36 domains.

From: Validity and reliability of a new, short symptom rating scale in patients with persistent atrial fibrillation

Items Dyspnoea at rest Dyspnoea on exertion Limitations in working Limitations in daily life Discomfort due to AF Fatiguedue to AF Anxiety due to AF
pf_tran -0.36437 -0.58810 -0.12466 -0.61232 -0.20312 -0.48616 -0.24267
Physical functioning < .0001 < .0001 0.4315 < .0001 0.0325 < .0001 0.0106
n 111 111 42 111 111 111 110
rp_tran -0.35569 -0.47634 -0.20069 -0.62755 -0.22794 -0.49356 -0.31813
Role – Physical 0.0001 < .0001 0.2025 < .0001 0.0171 < .0001 0.0008
n 109 109 42 108 109 109 108
bp_tran -0.44545 -0.26582 -0.34962 -0.37650 -0.31149 -0.32431 -0.38909
Bodily Pain < .0001 0.0048 0.0232 < .0001 0.0009 0.0005 < .0001
n 111 111 42 110 111 111 109
gh_tran -0.29357 -0.27723 -0.29889 -0.51705 -0.31705 -0.40835 -0.38909
General Health 0.0019 0.0034 0.0545 < .0001 0.0007 < .0001 < .0001
n 110 110 42 109 110 110 109
v_tran -0.25704 -0.40008 -0.40877 -0.66652 -0.40433 -0.66056 -0.36696
Vitality 0.0084 < .0001 0.0120 < .0001 < .0001 < .0001 0.0001
n 104 104 37 103 104 104 103
sf_tran -0.14190 -0.25434 -0.08276 -0.46915 -0.38437 -0.42230 -0.37927
Social Functioning 0.1374 0.0071 0.6023 < .0001 < .0001 < .0001 < .0001
n 111 111 42 110 111 111 110
re-tran -0.32767 -0.37072 0.11359 -0.52260 -0.21609 -0.48442 -0.42472
Role – Emotional 0.0004 < .0001 0.4738 < .0001 0.0227 < .0001 < .0001
n 111 111 42 110 111 111 103
mh_tran -0.14611 -0.21271 -0.21615 -0.37553 -0.40701 -0.44899 -0.62826
Mental Health 0.1389 0.0302 0.1988 < .0001 < .0001 < .0001 < .0001
n 104 104 37 103 104 104 103
  1. Statistically significant values (< .0001) are shown in bold figures.