Het volume van chirurgische ingrepen en de impact ervan op ... - KCE

148 Volume Outcome KCE reports 113
Table 6.18: CABG and/or heart valve replacement/repair: Differences in case
mix and outcomes by volume of centre
Tertiles based on
volume
219-
≤ 219 401 > 401 All
Number stays 1588 3206 5853 10647
Number centres
Gender
10 10 9 29
Male % 69.4 69.7 69.3 69.4
Age
Mean 67.3 68.3 67.7 67.8
Std 11.2 10.2 10.9 10.8
Charlson index score
Mean 1.8 1.8 1.6 1.7
Charlson ≥ 3
Std 1.8 1.8 1.7 1.7
% 30.3 28.1 23.2 25.7
Co morbidities (from Charlson Score)
Diabetes % 26.0 24.2 21.8 23.2
Moderate or severe renal disease
Severity index (APR-DRG)
% 16.0 16.0 11.6 13.6
1 % 2.4 1.4 4.1 3.1
2 % 31.1 22.5 28.5 27.1
3 % 44.1 49.6 43.3 45.3
Principal diagnosis
4 % 22.4 26.5 24.1 24.6
396 Diseases of mitral and aortic valves % 3.3 2.5 5.1 4.1
410 Acute myocardial infarction %
414 Other forms of chronic ischemic heart %
9.3 4.1 4.6 5.1
Type of intervention
LOS
disease
64.9 63.8 60.9 62.4
424 Other diseases of endocardium % 15.4 21.4 22.0 20.8
428 Heart failure % 1.1 0.9 1.6 1.3
441 Aortic aneurysm and dissection %
996 Complications peculiar to certain %
1.3 0.9 0.9 1.0
specified procedures
1.1 1.1 2.2 1.7
Other % 3.7 5.2 2.8 3.6
CABG + heart valve % 12.5 12.4 18.1 15.5
Isolated CABG % 72.4 68.8 63.0 66.2
Isolated heart valve % 15.1 18.8 18.9 18.3
Mean 17.5 16.0 15.1 15.7
Std 12.7 13.1 12.5 12.8
In-hospital mortality % 6.7 5.7 3.6 4.7
In-hospital mortality combined with
%
approximate 30 day mortality
7.3 6.3 4.0 5.1
Transferred in from another hospital % 6.9 13.3 22.5 17.4
Transferred out to another hospital %
7.8 10.0 12.5 11.1