Table 5.
Difference between intervention and control groups in secondary outcomes: symptom control and quality of life at 1 year follow up. Values are means unless stated otherwise*
| Detail | All patients
|
Patients with myocardial infarction
|
Patients with angina
|
||||||
|---|---|---|---|---|---|---|---|---|---|
| Control (n=267) | Intervention (n=235) | Difference (95% CI) between intervention and control | Control (n=178) | Intervention (n=170) | Control (n=89) | Intervention (n=65) | |||
| Chest pain at rest or on exercise | |||||||||
| No (%) reporting pain | 138 (52) | 123 (53) | 1% (−8% to 10%) | 88 (49) | 83 (49) | 50 (56) | 40 (64) | ||
| Interference with activity† | 2.2 | 2.4 | 0.3 (−0.4 to 0.9) | 2.2 | 2.3 | 2.2 | 2.8 | ||
| Severity† | 2.9 | 2.8 | 0.0 (−0.6 to 0.6) | 2.7 | 2.5 | 3.1 | 3.5 | ||
| Shortness of breath at rest or on exercise | |||||||||
| No (%) reporting shortness of breath | 179 (68) | 160 (69) | 1% (−7% to 10%) | 118 (67) | 109 (65) | 61 (69) | 51 (80) | ||
| Interference with activity† | 2.3 | 3.1 | 0.7 (0.1 to 1.4) | 2.5 | 3.3 | 2.1 | 2.6 | ||
| Severity† | 3.4 | 3.5 | 0.1 (−0.4 to 0.7) | 3.5 | 3.5 | 3.2 | 3.5 | ||
| Anxiety‡ | |||||||||
| Score on subscale | 6.5 | 7.0 | 0.5 (−0.3 to 1.3) | 6.9 | 6.7 | 5.9 | 7.7 | ||
| No (%) scoring >10 | 50 (21) | 51 (24) | 36 (23) | 32 (20) | 14 (17) | 19 (33) | |||
| Depression‡ | |||||||||
| Score on subscale | 4.5 | 5.0 | 0.4 (−0.3 to 1.0) | 4.9 | 4.8 | 4.0 | 5.3 | ||
| No (%) scoring >10 | 17 (7) | 24 (11) | 12 (7) | 17 (10) | 5 (6) | 7 (12) | |||
| Quality of life | |||||||||
| EuroQol score¶ | 68.4 | 66.9 | −1.5 (−5.1 to 2.1) | 67.9 | 66.8 | 69.4 | 67.1 | ||
*
Values are missing for 2-10 of the 502 subjects (0-2%); percentages are calculated exactly and vary slightly from those calculable with numerators and column denominators shown in table.
†
Maximum 10 (visual analogue scale). ‡Hospital anxiety and depression scale. ¶Maximum 100 (visual analogue scale).