Table 1.
Summary of patient data included in regression models by IMD quintile group and operation type
| IMD quintile group | Number | Logistic EuroSCORE |
BMI |
Smoking history |
|||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | N | Per cent | ||
| All cardiac surgery | |||||||
| Q1 | 48 095 | 5.64 | 6.71 | 27.61 | 4.43 | 29 210 | 60.73 |
| Q2 | 48 061 | 5.56 | 6.62 | 27.94 | 4.46 | 30 577 | 63.62 |
| Q3 | 48 011 | 5.52 | 6.73 | 28.14 | 4.64 | 31 335 | 65.27 |
| Q4 | 48 017 | 5.42 | 6.65 | 28.33 | 4.79 | 32 761 | 68.23 |
| Q5 | 48 037 | 5.43 | 6.87 | 28.61 | 5.05 | 34 700 | 72.24 |
| CABG alone | |||||||
| Q1 | 29 739 | 4.02 | 4.94 | 27.99 | 4.21 | 19 422 | 65.31 |
| Q2 | 30 466 | 4.04 | 4.97 | 28.25 | 4.26 | 20 776 | 68.19 |
| Q3 | 30 828 | 4.07 | 5.15 | 28.46 | 4.42 | 21 495 | 69.73 |
| Q4 | 32 266 | 4.09 | 5.20 | 28.62 | 4.58 | 23 273 | 72.13 |
| Q5 | 33 199 | 4.18 | 5.50 | 28.87 | 4.81 | 25 107 | 75.63 |
| valve+CABG | |||||||
| Q1 | 7148 | 9.71 | 9.13 | 27.28 | 4.46 | 4374 | 61.19 |
| Q2 | 6896 | 9.55 | 9.04 | 27.64 | 4.54 | 4401 | 63.82 |
| Q3 | 6796 | 9.45 | 9.14 | 27.72 | 4.67 | 4474 | 65.83 |
| Q4 | 6289 | 9.58 | 9.22 | 27.93 | 4.81 | 4223 | 67.15 |
| Q5 | 5634 | 9.70 | 9.49 | 28.26 | 5.07 | 4081 | 72.44 |
| Valve alone | |||||||
| Q1 | 11 208 | 7.32 | 7.42 | 26.84 | 4.83 | 5414 | 48.30 |
| Q2 | 10 699 | 7.31 | 7.35 | 27.25 | 4.83 | 5400 | 50.47 |
| Q3 | 10 387 | 7.27 | 7.50 | 27.46 | 5.15 | 5366 | 51.66 |
| Q4 | 9462 | 7.19 | 7.42 | 27.63 | 5.38 | 5265 | 55.64 |
| Q5 | 9204 | 7.30 | 7.86 | 27.88 | 5.72 | 5512 | 59.89 |
BMI, body mass index; CABG, coronary artery bypass graft; IMD, index of multiple deprivation.