Table 2.

Reliability of FGSI Based on Cut-Off Score

	Cut Off Score ≥ 9	Cut Off Score ≥ 11
Sensitivity	72.73%	78.79%
Specificity	95.65	82.61%
Positive likelihood ratio	18.25	4.65
Negative likelihood ratio	0.28	0.25
PPV	97.96	92.86%
NPV	55%	57.58%