Table 1

Changes from baseline in Seattle Angina Questionnaire after 6 weeks and 6 months in patients randomised to standard care plus CT coronary angiography (CTCA) and standard care alone

All patientsStandard care+CTCAStandard careDifference (95% CIs)p Value (for difference)
Change at 6 weeksn=3427n=1755n=1672
Physical limitation−0.3±0.4 (2076)−0.5±0.5 (1082)−0.0±0.5 (994)−0.72 (−2.08 to 0.63)0.2957
Angina stability16.3±0.6 (3190)16.7±0.9 (1637)15.8±0.9 (1553)1.03 (−0.61 to 2.68)0.2184
Angina frequency11.5±0.4 (3264)11.2±0.6 (1684)11.8±0.6 (1580)−0.84 (−2.20 to 0.54)0.2277
Treatment satisfaction−7.0±0.3 (3247)−7.0±0.4 (1675)−7.0±17.1 (1572)0.03 (−1.07 to 1.14)0.9525
Quality of life9.3±0.4 (3261)8.7±0.5 (1681)9.9±0.6 (1580)−1.31 (−2.66 to 0.05)0.0585
Change at 6 monthsn=3035n=1562n=1473
Physical limitation2.3±0.4 (1814)1.6±0.6 (937)3.0±0.6 (877)−1.74 (−3.34 to −0.14)0.0329
Angina stability13.0±0.6 (2833)13.4±0.9 (1462)12.5±0.9 (1371)1.27 (−0.27 to 2.80)0.1059
Angina frequency18.7±0.4 (2895)18.3±0.6 (1498)19.2±0.6 (1397)−1.55 (−2.85 to −0.25)0.0198
Treatment satisfaction−4.7±0.3 (2872)−5.0±0.4 (1485)−4.3±0.4 (1387)−0.97 (−2.14 to 0.21)0.1060
Quality of life17.0±0.4 (2865)15.5±0.6 (1484)18.6±0.6 (1381)−3.48 (−4.95 to −2.01)<0.0001
  • Mean±SE (n).