Operating characteristics of short and long scales to screen for depression in older patients*

ScalesSensitivitySpecificity+LR−LRArea under ROC curve (95% CI)
*GDS = Geriatric Depression Scale; MHI = Mental Health Inventory; ROC = receiver operating characteristic. Other diagnostic terms defined in glossary; LRs calculated from data in article.
MHI-1 88%71%3.080.170.88 (0.79 to 0.97)
GDS-4 82%67%2.500.260.80 (0.68 to 0.93)
GDS-15 82%60%2.060.290.82 (0.71 to 0.93)
GDS-30100%62%2.700.000.85 (0.77 to 0.94)