Table 2.
Baseline characteristics of both groups
| Male | Female | ||||||
| Engaged | Not engaged | P values | Engaged | Not engaged | P values | ||
| n (%) | 45 723 (66.5) | 23 060 (33.5) | 16 769 (62.4) | 10 086 (37.6) | |||
| Mean age (SD) | 64 (12) | 66 (13) | <0.001 | 68 (12) | 71 (13) | <0.001 | |
| Ethnic group (White) | Black | 0.90% | 0.70% | <0.001 | 1.20% | 0.70% | <0.001 |
| South Asian | 7.30% | 6.40% | 5.60% | 4.70% | |||
| Other | 4.60% | 6.10% | 4.00% | 5.30% | |||
| Marital status (Single) | Partner | 80.10% | 76.80% | <0.001 | 62.60% | 58.60% | <0.001 |
| Previous partner | 10.70% | 12.20% | 29.20% | 32.50% | |||
| Comorbidity (No) | Hypertension | 36.60% | 30.50% | <0.001 | 39.70% | 33.10% | <0.001 |
| Diabetes | 17.00% | 15.40% | <0.001 | 16.80% | 15.10% | <0.001 | |
| Hypercholesterolaemia/ dyslipidaemia |
23.10% | 19.90% | <0.001 | 21.40% | 17.80% | <0.001 | |
| Anxiety | 3.60% | 1.60% | <0.001 | 5.60% | 2.10% | <0.001 | |
| Depression. There shall be documented interaction between the patient and the multidisciplinary team. | 3.80% | 1.70% | <0.001 | 6.00% | 2.40% | <0.001 | |
| Lasting a minimum of 8 weeks | |||||||
| Family history | 20.00% | 13.00% | <0.001 | 20.70% | 10.90% | <0.001 | |
| Number of comorbidities | <3 | 40.80% | 34.10% | <0.001 | 37.80% | 32.60% | <0.001 |
| 3+ | 30.00% | 22.70% | 35.70% | 26.10% | |||
| Previous cardiac event study (No) | Yes | 35.10% | 33.90% | 0.003 | 31.30% | 30.30% | 0.088 |
| Comorbidity (No) | Angina | 15.00% | 11.20% | <0.001 | 14.50% | 10.40% | <0.001 |
| Mean length of stay (SD) | 11 (28) | 8 (15) | <0.001 | 11 (28) | 9 (17) | <0.001 | |
| Invited to join date study (No) | Yes | 78.20% | 44.60% | <0.001 | 77.00% | 43.90% | <0.001 |
| Received early CR (No) | Yes | 56.90% | 66.10% | <0.001 | 57.70% | 65.80% | <0.001 |
| Referral setting (Hospital based) | Primary care setting | 10.90% | 9.20% | <0.001 | 10.50% | 8.80% | <0.001 |
| Cardiac treatment (No) | PCI | 53.19% | 47.06% | <0.001 | 47.13% | 37.80% | <0.001 |
| CABG | 16.37% | 12.38% | 8.99% | 6.54% | |||
| Other | 21.26% | 23.71% | 31.31% | 33.14% | |||
| Referral venue (NHS Trust) | General practice | 3.30% | 1.30% | <0.001 | 3.10% | 1.20% | <0.001 |
| Private hospital | 2.40% | 2.20% | 1.90% | 1.90% | |||
| Socioeconomic status (Lowest IMD quintile) | Second quintile | 16.50% | 19.90% | <0.001 | 17.80% | 20.80% | <0.001 |
| Third quintile | 19.80% | 21.00% | 19.70% | 20.90% | |||
| Fourth quintile | 22.70% | 21.40% | 22.30% | 19.80% | |||
| Fifth quintile | 26.60% | 19.20% | 24.10% | 18.50% | |||
CABG, coronary artery bypass graft; CR, cardiac rehabilitation; IMD, Index of Multiple Deprivation; PCI, percutaneous coronary intervention.