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Table 6 Mean (95% confidence limits) baseline and 12-month SAQ-CAN and SAQ, effect size (ES), standardized response means (SRM)

From: Psychometric evaluation of a Canadian version of the Seattle Angina Questionnaire (SAQ-CAN)

PRO Domain Baseline 12-month p value ES SRM
SAQ-CAN      
Indoor physical functioning 75.57 (75.09–76.05) 89.53 (89.09–89.97) < 0.001 1.42 1.30
Outdoor PHYSICAL FUNCTIONING 52.29 (50.77–53.82) 60.18 (58.83–61.53) < 0.001 0.26 0.23
Angina symptoms burden 69.76 (68.77–70.74) 81.03 (80.23–81.83) < 0.001 0.59 0.53
Treatment experience 83.36 (82.41–84.31) 86.38 (85.44–87.32) < 0.001 0.15 0.15
Original SAQ      
Physical limitation 61.63 (60.67–62.58) 67.35 (66.50–68.20) < 0.001 0.30 0.28
Angina stability 71.24 (69.87–72.62) 75.59 (74.31–76.87) < 0.001 0.15 0.12
Angina frequency 78.73 (77.63–79.83) 88.67 (87.85–89.48) < 0.001 0.48 0.42
Treatment satisfaction 82.47 (81.71–83.23) 85.82 (85.07–86.56) < 0.001 0.21 0.29
Disease perception 61.78 (60.61–62.95) 76.47 (75.52–77.42) < 0.001 0.65 0.58