Table 1. Results.
Spearman’s correlation
  Correlation coefficient (r) 95% CI   p
KPI/AI 0.58 0.42 to 0.70   0.0001
Logistic regression
  Odds Ratio 95% CI   p
KPI 1.20 1.06 to 1.37   0.0055
AI 1.05 1.03 to 1.07   <0.0001
ROC curve
  Area Under the Curve Sensitivity Specificity Acuracy
KPI 0.67 71% 61% 66%
AwI 0.78 83% 61% 72%