Table 1 |
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|
Dichotomous variables entered in the score model |
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|
Acronym |
Description |
Training N (%) |
Testing N (%) |
|
|
|||
|
O2ER |
O2 extraction ratio ≥40% |
116 (21.3%) |
129 (23.7%) |
|
|
|||
|
Card-ID |
Cardiac inotropic drugs |
74 (13.6%) |
69 (12.7%) |
|
|
|||
|
PVD |
Peripheral vascular disease |
116 (21.3%) |
104 (19.1%) |
|
|
|||
|
EM |
Emergency |
45 (8.3%) |
48 (8.8%) |
|
|
|||
|
VCO2 |
CO2 production <180 ml/min |
256 (47.0%) |
261 (47.9%) |
|
|
|||
|
CPBt |
Cardio-pulmonary bypass time ≥2 hours |
223 (40.9%) |
203 (37.2%) |
|
|
|||
|
AD |
Anti-arrhythmic drugs |
29 (5.3%) |
27 (5.0%) |
|
|
|||
|
IABP |
Intra aortic balloon pump |
11 (2.0%) |
10 (1.8%) |
|
|
|||
|
MVR |
Mitral valve replaced with artificial valve |
8 (1.5%) |
12 (2.2%) |
|
|
|||
|
CHF |
Congestive heart failure |
25 (4.6%) |
30 (5.5%) |
|
|
|||
|
MR |
Mitral valve repaired surgically |
12 (2.2%) |
8 (1.5%) |
|
|
|||
|
Cevenini and Barbini BMC Medical Informatics and Decision Making 2010 10:45 doi:10.1186/1472-6947-10-45 |
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