Table 2 Prevalence and severity of chest pain symptoms ranked according to the Canadian Cardiovascular Society classification (CCS 0–4)
From: Time trends of chest pain symptoms and health related quality of life in coronary artery disease
n = 202 | Baseline | After 1 year | After 2 years | p < 0.00022* | |
|---|---|---|---|---|---|
CCS 0 | No chest pain | 82 (41%) | 105 (52%) | 104 (51%) | |
CCS 1 | Ordinary physical activity does not cause angina. Strenuous, rapid, or prolonged exertion causes angina | 39 (19%) | 28 (14%) | 30 (15%) | |
CCS 2 | Slight limitation of ordinary activity (special circumstances) due to angina | 62 (31%) | 54 (27%) | 55 (27%) | |
CCS 3 | Marked limitation in ordinary physical activity due to angina | 11 (5%) | 10 (5%) | 9 (4%) | |
CCS 4 | Unable to perform any physical activity without discomfort – angina may be present at rest. | 8 (4%) | 5 (2%) | 4 (2%) |