TABLE 3.

Results of ROC curve analysis of antidepressant and antisuicidal response at 24 h after six ketamine infusions.

Independent variables	AUC	Cut-off	Sensibility	Specificity	Youden index
Antidepressant response
LA – right putamen	0.689	0.085	0.750	0.789	0.539
RA – right putamen	0.726	0.136	0.900	0.579	0.479
Combination of LA – right putamen, RA – right putamen	0.739	0.513	0.750	0.737	0.487
Antisuicidal response
LA – right putamen	0.799	0.066	0.778	0.833	0.611
RA – right putamen	0.787	0.197	0.593	0.917	0.510
Combination of LA – right putamen, RA – right putamen	0.827	0.664	0.741	0.833	0.574

AUC, area under curve; LA, left amygdala; RA, right amygdala.