Background characteristics of cardiologists according to response status
| Responders (n=275) | Non-responders (n=255) | All (n=530) | p Value 1-150 | |
| Age (years)1-151 | 45.5 (7.7) | 48 (6.4)1-152 | 47 (7.4) | 0.00 |
| Men | 92% | 92% | 92% | 0.9 |
| Year of accreditation1-151 | 1982 (6.4) | 1982 (7.0)1-152 | 1982 (6.8) | 0.7 |
| University hospital | 23% | 17% | 20% | 0.09 |
| Hospital with cardiac surgery | 30% | 25% | 28% | 0.19 |
| Ward size > 40 beds | 33% | 43%1-153 | 37% | 0.02 |