Table 5.
Sensitivity and Specificity Analyses for Two Different Screening Tests: Conventional (having depressed mood, irritability, or anhedonia) versus Unconventional (having concentration problems, worthlessness/guilt, or sleep disturbance)
| Screening test | Criterion: How many MDD symptoms | |||||||
|---|---|---|---|---|---|---|---|---|
| ≥1 | ≥2 | ≥3 | ≥4 | ≥5a | ≥6 | ≥7 | ≥8 | |
| Sensitivity: The proportion of people reaching criterion symptom count, who had a positive outcome on the screening test | ||||||||
| Conventional | .942 | .973 | .986 | .995 | .996 | 1.000 | ||
| Unconventional | .980 | .991 | .993 | 1.000 | 1.000 | 1.000 | ||
| Specificity: The proportion of people not reaching criterion symptom count, who had a negative outcome on the screening test |
||||||||
| Conventional | 1.000 | .942 | .894 | .843 | .786 | |||
| Unconventional | 1.000 | .915 | .837 | .768 | .706 | |||
a
DSM-IV criteria for MDD requires at least five symptoms.