Table 8: Area Under the Roc Curve.

Test Result Variable(s)

Area

Std. Errora

Asymptotic Sig.b

Asymptotic 95% Confidence Interval

Lower Bound

Upper Bound

biofilm 3h

0.730

0.093

0.026

0.548

0.913

biofilm 6h

0.729

0.094

0.027

0.545

0.912

biofilm 9h

0.672

0.102

0.097

0.471

0.873

biofilm 24h

0.697

0.105

0.057

0.491

0.904