Table 4.

Sensitivity, specificity, PPV, NPV at various threshold of the SOFA Score.

Cutoff	Sensitivity	Specificity	PPV (%)	NPV (%)
Values for each SOFA score cutoff categories
> 0	97.93	13.61	8.4	98.8
> 1	86.78	44.27	11.2	97.6
> 2	69.83	71.21	16.4	96.7
> 3	50.00	87.09	23.9	95.6
> 4	32.64	94.42	32.1	94.5
> 5	18.18	97.96	41.9	93.7
> 6	7.85	99.40	51.4	93.0
> 7	3.31	99.77	53.3	92.7
> 8	0.83	100.00	100.0	92.6

PPV positive predictive value; NPV negative predictive value.