Characteristics of responders (n=260) compared with non-responders (n=132)
| Patient characteristics | Overall | Responders | Non-responders | P value |
| N (%) | N (%) | N (%) | ||
| Sex | ||||
| Male | 308 (78.6) | 196 (75.4) | 112 (84.9) | 0.031 |
| Female | 84 (21.4) | 64 (24.6) | 20 (15.2) | |
| SES | ||||
| 1 (least deprived) | 68 (18.4) | 48 (19.4) | 20 (16.4) | 0.013 |
| 2 | 60 (16.3) | 50 (20.2) | 10 (8.20) | |
| 3 | 91 (24.7) | 59 (23.9) | 32 (26.2) | |
| 4 | 94 (25.5) | 53 (21.4) | 41 (33.6) | |
| 5 (most deprived) | 56 (15.2) | 37 (15.0) | 19 (15.6) | |
| Missing | 23 | 13 | 10 | |
| Comorbidities | ||||
| 0 | 57 (14.6) | 35 (13.6) | 22 (16.8) | |
| 1 | 111 (28.5) | 76 (29.5) | 35 (26.7) | 0.904 |
| 2 | 94 (24.2) | 64 (24.8) | 30 (22.9) | |
| 3 | 60 (15.4) | 39 (15.1) | 21 (16.0) | |
| 4 or more | 67 (17.2) | 44 (17.1) | 23 (17.6) | |
| Missing | 3 | 2 | 1 | |
| Living arrangements | ||||
| With family | 296 (75.9) | 195 (75.2) | 101 (77.1) | |
| Alone | 87 (22.3) | 60 (23.2) | 27 (20.6) | 0.755 |
| Other | 7 (1.79) | 4 (1.54) | 3 (2.29) | |
| Missing | 2 | 1 | 1 | |
| Mean EQ-5D-3L (SD) | 0.79 (0.28) | 0.82 (0.25) | 0.73 (0.34) | 0.002 |
| Mean SAQ-7 (SD) | 76.8 (21.1) | 77.8 (22.3) | 74.9 (20.4) | 0.207 |
SAQ-7, short form Seattle Angina Questionnaire; SES, socioeconomic status.