Relation between frequency of angina and mean Swedish quality of life survey (SWED-QUAL) scores (minimum score is 0; maximum score is 100) among Swedish patients with chronic stable angina four years following coronary revascularisation
| Frequency of angina during preceding four weeks | ||||
|---|---|---|---|---|
| Questionnaire component | None | <3 a week | ≥3 a week | p Value |
| Physical functioning | 88 | 76 | 66 | <0.001 |
| Relief from pain | 90 | 74 | 52 | <0.001 |
| Quality of sleep | 70 | 57 | 44 | <0.001 |
| Emotional wellbeing | 79 | 67 | 58 | <0.001 |
| General health perception | 76 | 62 | 46 | <0.001 |