Table 1 Baseline characteristics of study participants (N = 4052)
From: Psychometric evaluation of a Canadian version of the Seattle Angina Questionnaire (SAQ-CAN)
Patients’ characteristics | n (%) |
|---|---|
Age, y, mean (SD) | 65.93 (9.84) |
Sex (male), n (%) | 3239 (79.94) |
Left ventricular ejection fraction, n (%) | |
> 50% | 2645 (65.28) |
35–50% | 475 (11.72) |
20–34% | 110 (2.71) |
< 20% | 24 (0.59) |
Not done | 798 (19.69) |
HADS-depression, mean (SD) | 14.44 (2.93) |
HADS-anxiety, mean (SD) | 17.04 (4.26) |
Diabetes mellitus, n (%) | 1106 (27.30) |
Hypertension, n (%) | 3124 (77.10) |
Hyperlipidemia, n (%) | 3285 (81.07) |
Prior MI, n(%) | 647 (15.97) |
Prior thrombolytic therapy, n (%) | 5 (0.12) |
BMI, mean (SD) | 30.39 (44.18) |
Smoking, n (%) | 445 (11.31) |
SAQ subscales, mean (SD) | |
Physical limitation | 60.93 (20.75) |
Angina stability | 71.00 (29.64) |
Angina frequency | 78.96 (23.18) |
Treatment satisfaction | 82.21 (17.31) |
Disease perception | 61.39 (25.25) |