Respondent characteristics (pre- and post-revascularisation samples): first and second field test
| Characteristic | First field test | Second field test | ||||||
|---|---|---|---|---|---|---|---|---|
| Before revascularisation | After revascularisation | Before revascularisation | After revascularisation | |||||
| CABG (n = 146) | PTCA (n = 128) | CABG (n = 289) | PTCA (n = 280) | CABG (n = 281) | PTCA (n = 159) | CABG (n = 415) | PTCA (n = 345) | |
| Numbers do not sum to 100% because of missing data. | ||||||||
| NA, not applicable. | ||||||||
| Men | 108 (74%) | 86 (67%) | 216 (75%) | 192 (69%) | 238 (85%) | 120 (75%) | 343 (83%) | 251 (73%) |
| Age (years) | ||||||||
| Mean (SD) | 63.3 (8.7) | 62.1 (9.7) | 63.7 (9.0) | 62.3 (9.8) | 63.6 (9.2) | 60.6 (9.7) | 65.0 (8.9) | 62.3 (10.2) |
| Range | 34–82 | 36–88 | 35–82 | 35–88 | 35–85 | 38–89 | 37–94 | 36–84 |
| Ethnicity | ||||||||
| White | 137 (94) | 118 (92) | 267 (92) | 250 (89) | 261 (93) | 144 (91) | 369 (89) | 303 (88) |
| Asian (India/Pakistan) | 3 (2) | 7 (6) | 11 (4) | 20 (7) | 15 (5) | 5 (3) | 28 (7) | 22 (6) |
| Other | 6 (4) | 3 (2) | 11 (4) | 10 (4) | 5 (2) | 8 (5) | 12 (3) | 13 (4) |
| Social class22 | ||||||||
| I | NA | NA | NA | NA | 25 (9) | 7 (4) | 35 (8) | 5 (4) |
| II | NA | NA | NA | NA | 77 (27) | 42 (26) | 107 (26) | 31 (29) |
| III N | NA | NA | NA | NA | 30 (11) | 22 (14) | 43 (10) | 19 (19) |
| III M | NA | NA | NA | NA | 93 (33) | 52 (33) | 131 (32) | 32 (30) |
| IV | NA | NA | NA | NA | 29 (10) | 24 (15) | 48 (12) | 12 (11) |
| V | NA | NA | NA | NA | 13 (5) | 0 (0) | 20 (5) | 0 (0) |