Table 4.

Sensitivity, specificity, positive likelihood ratio, negative likelihood ratio and the corresponding Youden Index

	Sensitivity	Rate of missed diagnosis	Specificity	Erroneous diagnosis rate	Positive likelihood ratio	Negative likelihood ratio	Youden Index
FEF50/pre < 70%	0.50	0.5	0.96	0.04	11.99	0.52	0.46
FEF50/pre < 80%	0.67	0.33	0.67	0.33	2.04	0.49	0.34
FEF75/pre < 70%	0.77	0.23	0.78	0.12	3.55	0.29	0.55
FEF75/pre < 80%	0.92	0.08	0.43	0.57	1.62	0.19	0.35
Fres > 15 Hz	0.48	0.52	0.91	0.09	5.51	0.57	0.39
Fres > 13 Hz	0.69	0.31	0.80	0.2	3.51	0.39	0.49
Z5/pre > 120%	0.83	0.17	0.74	0.26	3.19	0.23	0.57
Z5/pre > 150%	0.21	0.79	0.98	0.02	9.60	0.81	0.19
R5/pre > 120%	0.63	0.37	0.72	0.28	2.21	0.52	0.34
R5/pre > 150%	0.19	0.81	0.98	0.02	9.50	0.81	0.19