Table 1 Descriptive statistics
From: Is quality costly? Patient and hospital cost drivers in vascular surgery
| Â | Department 1 | Department 2 | Department 3 | Department 4 | Department 5 | Department 6 | Department 7 | Department 8 | Department 9 | Department 10 | Department 11 | Total population |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of discharges | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
2005 | 271 | 718 | 135 | 660 | 514 | 790 | 815 | 433 | 644 | 139 | 6 | 5,125 |
2006 | 253 | 662 | 124 | 740 | 557 | 758 | 154 | 35 | 0 | 3 | 11 | 3,297 |
2007 | 232 | 742 | 133 | 822 | 557 | 790 | 836 | 428 | 2 | 0 | 83 | 4,625 |
2008 | 281 | 771 | 133 | 786 | 573 | 203 | 193 | 475 | 477 | 0 | 64 | 3,956 |
2009 | 366 | 799 | 133 | 942 | 681 | 796 | 153 | 504 | 531 | 0 | 46 | 4,951 |
Total | 1,403 | 3,692 | 658 | 3,950 | 2,882 | 3,337 | 2,151 | 1,875 | 1,654 | 142 | 210 | 21,954 |
University hospital | no | yes | no | no | no | yes | yes | yes | no | no | no | Â |
DRG index | 0.90 | 1.05 | 0.78 | 0.97 | 0.91 | 1.13 | 0.99 | 1.16 | 0.92 | 0.86 | 0.74 | 1.00 |
Average cost per discharge, actual (DKK) | 84,956 | 64,937 | 57,755 | 69,828 | 58,525 | 80,011 | 94,845 | 91,434 | 63,396 | 115,497 | 41,186 | 73,508 |
Average cost per discharge, predicted (DKK) | 69,050 | 80,443 | 59,746 | 74,609 | 69,748 | 85,668 | 73,956 | 89,858 | 69,722 | 54,223 | 60,139 | 76,432 |
Number of vascular operations as a percentage of total at the department level | 98.8 | 81.6 | 97.4 | 95.1 | 96.1 | 95.6 | 97.8 | 93.4 | 98.7 | 83.1 | 89.5 | 93.6 |
Average length of stay (days) | 6.1 | 3.7 | 3.7 | 4.8 | 4.9 | 6.3 | 5.2 | 5.5 | 4.3 | 4.1 | 1.7 | 4.92 |
Patients | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Average age | 66.0 | 62.7 | 68.3 | 68.2 | 67.5 | 66.2 | 66.5 | 67.2 | 67.4 | 65.7 | 67.3 | 66.4 |
Percentage male | 59.4 | 60.8 | 57.9 | 57.0 | 58.3 | 62.4 | 59.8 | 61.9 | 53.6 | 59.9 | 56.2 | 59.3 |
Percentage smokers | 47.1 | 27.0 | 38.9 | 35.5 | 41.4 | 45.0 | 37.8 | 42.3 | 38.9 | 36.6 | 21.9 | 38.1 |
Percentage with BMI >25 | 30.3 | 21.5 | 49.4 | 30.1 | 39.2 | 37.4 | 40.8 | 37.3 | 39.1 | 36.6 | 9.0 | 33.3 |
Percentage with ASA score > 2 | 40.8 | 11.5 | 45.9 | 29.2 | 27.4 | 56.4 | 29.3 | 19.9 | 19.5 | 28.2 | 32.9 | 29.9 |
Percentage admitted acute | 3.7 | 19.5 | 1.0 | 27.7 | 19.4 | 46.2 | 36.1 | 27.5 | 26.1 | 11.3 | 5.2 | 26.1 |
30-day mortality, per cent of discharges | 0.93 | 2.79 | 1.96 | 3.31 | 2.73 | 5.28 | 4.66 | 3.18 | 2.36 | 4.93 | 0.5 | 3.36 |
Wound complications, per cent of discharges | 13.78 | 6.51 | 8.84 | 8.60 | 8.41 | 14.86 | 5.05 | 13.75 | 11.32 | 7.04 | 5.47 | 9.68 |
Infections, per cent of discharges | 2.04 | 1.19 | 1.31 | 2.05 | 2.28 | 3.99 | 1.05 | 4.27 | 2.74 | 0 | 0 | 2.30 |
Surgical complications, per cent of discharges | 1.76 | 2.87 | 2.45 | 4.13 | 3.43 | 6.99 | 5.38 | 5.20 | 4.35 | 5.63 | 0 | 4.26 |
General complications, per cent of discharges | 3.70 | 5.46 | 4.26 | 7.34 | 4.34 | 14.75 | 8.38 | 7.23 | 6.03 | 9.15 | 1.49 | 7.44 |