Variables related to patients
| | (n = 2430) |
Age (years) | | |
<60 | 1 | 647 (26.6) |
61–65 | 1.08 (0.74 to 1.57) | 366 (15.1) |
66–70 | 1.46 (1.04 to 2.04) | 453 (18.7) |
71–75 | 1.66 (1.19 to 2.31) | 480 (19.8) |
| 3.20 (2.29 to 4.46) | 483 (19.9) |
BMI (kg/m2) | | |
<25 | 1 | 602 (24.9) |
25–30 | 0.36 (0.28 to 0.45) | 1168 (48.3) |
30–35 | 0.15 (0.11 to 0.22) | 480 (19.9) |
⩾35 | 0.11 (0.06 to 0.21) | 167 (6.9) |
Duration of symptoms | 1.02 (1.01 to 1.04) | − |
Heart disease | | |
No | 1 | 1665 (68.6) |
Yes | 0.69 (0.54 to 0.88) | 764 (31.4) |
Patient’s stated preferences for a treatment | | |
No | 1 | 1962 (81.8) |
Yes | 0.43 (0.55 to 0.97) | 436 (18.2) |
| | |
Variables related to physicians
| | (n = 967) |
Time since graduation from medical school | 0.98 (0.96 to 0.99) | – |
Regular continuing medical education | | |
No | 1 | 200 (20.8) |
Yes | 0.76 (0.59 to 0.98) | 762 (79.2) |