Variable | Factor 1 | Factor 2 | Factor 3 | Factor 4 |
---|---|---|---|---|
Outcome | CPB | LCOS | AKI | |
Age, days | −0.773 | |||
Duration of cardiopulmonary bypass, minutes | 0.305 | 0.907 | 0.242 | |
Duration of aortic cross-clamping, minutes | 0.817 | |||
Conventional ultrafiltration on bypass, ml | 0.695 | |||
Blood transfusions on day 0, ml | 0.251 | 0.215 | 0.627 | |
Lactacidemia, AUC | 0.280 | 0.680 | ||
Systolic arterial pressure, AUCa | 0.209 | 0.610 | 0.214 | |
Urine output <0.5 ml kg−1 h−1, AUC | 0.188 | 0.420 | ||
Increase in serum creatinine >50 % relative to baseline, AUC | 0.538 | |||
Urine creatinine normalized NGAL, AUCb | 0.393 | 0.494 | ||
Duration of mechanical ventilation, days | 0.946 | 0.202 | 0.227 | |
Length of intensive care unit stay, days | 0.910 | 0.227 | ||
In-hospital mortality | 0.613 | 0.236 | ||
Eigenvalue | 5.11 | 1.71 | 1.55 | 1.01 |
Proportion of the explained variance | 0.198 | 0.183 | 0.158 | 0.071 |