MIF compare with TTE, AUC increased from 0.75 to 0.77, p-value=0.9047. Logistic model compare with TTE, AUC increased from 0.75 to 0.91, p-value=0.1798.
TTE > 50## sensitivity specificity ppv npv
## 0.5384615 0.9230769 0.7777778 0.8000000
MIF > 60## sensitivity specificity ppv npv
## 0.6153846 1.0000000 1.0000000 0.8387097
MIF > 50## sensitivity specificity ppv npv
## 0.6153846 0.9230769 0.8000000 0.8275862
MIF > 45## sensitivity specificity ppv npv
## 0.6153846 0.8461538 0.6666667 0.8148148
MIF > 40## sensitivity specificity ppv npv
## 0.6923077 0.7692308 0.6000000 0.8333333
MIF > 60 or TTE > 50## sensitivity specificity ppv npv
## 0.9230769 0.9230769 0.8571429 0.9600000
MIF > 50 or TTE > 50## sensitivity specificity ppv npv
## 0.9230769 0.8461538 0.7500000 0.9565217
MIF > 45 or TTE > 50## sensitivity specificity ppv npv
## 0.9230769 0.8076923 0.7058824 0.9545455
MIF > 40 or TTE > 50## sensitivity specificity ppv npv
## 0.9230769 0.7307692 0.6315789 0.9500000
.4*MIF + .6*TTE > 50## sensitivity specificity ppv npv
## 0.6153846 0.9230769 0.8000000 0.8275862