From: A study of the diagnostic accuracy of the PHQ-9 in primary care elderly
 | N* | PHQ-9 AUC†(95% CI)‡ | PHQ-2 AUC (95% CI) | GDS AUC (95% CI) |
---|---|---|---|---|
Overall | 69 | 0.87 (0.74-1.00) | 0.81 (0.65-0.98) | 0.81 (0.70-0.91) |
Gender | Â | Â | Â | Â |
   Male | 26 | 0.88 (0.72-1.00) | 0.91 (0.78-1.00) | 0.76 (0.58-0.93) |
   Female | 43 | 0.85 (0.61-1.00) | 0.70 (0.37-1.00) | 0.84 (0.70-0.98) |
Race | Â | Â | Â | Â |
   White | 47 | 0.88 (0.73-1.00) | 0.87 (0.75-0.99) | 0.85 (0.74-0.95) |
   Non-white‡ | 22 | 0.93 | 0.31 | 0.90 |
Age | Â | Â | Â | Â |
   < 80 years | 38 | 0.92 (0.81-1.00) | 0.81 (0.54-1.00) | 0.82 (0.68-0.96) |
   ≥80 years | 31 | 0.80 (0.52-1.00) | 0.83 (0.64-1.00) | 0.80 (0.62-0.98) |
Comorbidities | Â | Â | Â | Â |
   < 3 | 41 | 0.93 (0.82-1.00) | 0.92 (0.85-1.00) | 0.79 (0.55-1.00) |
   ≥3 | 28 | 0.80 (0.57-1.00) | 0.71 (0.43-0.99) | 0.82 (0.67-0.97) |