Variable
Cut-off values
Sens. (%)
Spec. (%)
PPV. (%)
NPV. (%)
Accuracy (%)
Serum NO
> 32 mmol/l
86.7
95.6
97.5
78.2
95
Mean RI
> 0.63
96.7
95.6
95.4
94.4
97.3
Table 4:
Cut-off values for serum NO and mean RI between patients and controls.