SF-36 subscales and component scores, angina pectoris, and cognitive functions in the two treatment groups. Groups based on time for randomisation
| Conservative randomised 1991-92 | Invasive randomised 1991-92 | p Value | Conservative randomised 1993-94 | Invasive randomised 1993-94 | p Value | |
| Number of patients | 25 | 31 | 26 | 31 | ||
| Average follow up (range in months) | 44.3 (36–56) | 45.5 (36-57) | 0.45 | 28.7 (21–35) | 28.9 (19–35) | 0.89 |
| Physical functioning | 77.2 (15.5) | 78.1 (24.0) | 0.26 | 79.4 (19.2) | 86.9 (15.5) | 0.09 |
| Role-physical | 47.7 (42.5) | 67.7 (44.8) | 0.06 | 63.0 (45.7) | 71.3 (40.8) | 0.37 |
| Bodily pain | 76.4 (23.2) | 79.3 (25.4) | 0.59 | 80.7 (19.6) | 87.3 (19.9) | 0.12 |
| General health | 64.4 (21.8) | 64.4 (21.0) | 0.94 | 68.8 (17.4) | 67.8 (23.3) | 0.75 |
| Vitality | 64.6 (18.6) | 67.3 (24.6) | 0.54 | 68.0 (23.7) | 67.9 (23.5) | 0.99 |
| Social functioning | 87.5 (17.3) | 86.3 (21.0) | 0.95 | 93.8 (14.3) | 91.1 (24.0) | 0.99 |
| Role-emotional | 65.3 (38.7) | 67.8 (42.4) | 0.66 | 81.3 (30.6) | 81.5 (33.8) | 0.83 |
| Mental health | 79.0 (20.2) | 79.7 (18.8) | 0.91 | 86.5 (15.0) | 80.6 (16.5) | 0.11 |
| PCS | 44.8 (10.1) | 47.2 (10.1) | 0.33 | 46.0 (9.4) | 50.0 (9.1) | 0.06 |
| MCS | 52.4 (10.9) | 52.2 (9.5) | 0.81 | 55.8 (8.0) | 53.1 (9.5) | 0.20 |
| Angina pectoris | 32.0% | 25.8% | 0.61 | 30.8% | 9.7% | 0.04 |
| Difficulty in concentration | 4.0% | 22.6% | 0.04 | 3.9% | 12.9% | 0.21 |
| Memory lapses | 16.0% | 29.0% | 0.24 | 19.2% | 19.4% | 0.99 |
| Both concentration and memory problems | 4.0% | 19.4% | 0.07 | 3.9% | 6.5% | 0.65 |
Values are mean (SD).
MCS, mental component score; PCS, physical component score.