Table 4 ROC analysis of the PA and HS indicators and their combination in relation to mortality and ICU stay
From: Prognostic value of combined preoperative phase angle and handgrip strength in cardiac surgery
Predictors | Variable | AUC(95%CI)* | p value | Cut-off point | Sensitivity | Specificity | PPV* | NPV* |
|---|---|---|---|---|---|---|---|---|
PA† | Mortality ICU LOS | 0.657 (0.540.77) 0.600 (0.52–0.68) | 0.009 0.016 | 5.15 5.15 | 67% 56% | 61% 70% | 21% 65% | 92% 60% |
HS† | Mortality ICU LOS ICU LOS | 0.659 (0.55–0.78) 0.586 (0.51–0.67) | 0.008 0.040 | 25.5 30.75 | 67% 71% | 63% 47% | 22% 57% | 92% 60% |
Combina-tion† PA/HS | Mortality ICU LOS | 0.671 (0.56–0.78) 0.597 (0.52–0.68) | 0.004 0.019 | 5.15/25.5 5.15/30.75 | 67% 63% | 62% 59% | 22% 61% | 92% 60% |