A Diabetic Retinopathy Screening Tool for Low-Income Adults in Mexico
ORIGINAL RESEARCH — Volume 14 — October 12, 2017
PEER REVIEWED
Figure.
Area under the receiver operating characteristic (ROC) curve and points along the ROC curve corresponding to optimized cut points given a cost ratio (classification costs of false negatives divided by classification costs of false positives) equal to 4 and various scenarios of diabetic retinopathy prevalence: a) 31.7%, the observed prevalence in the study population; b) and c) prevalence of 35.0% and 40.0%; and d) prevalence of 45.0%.
Value | Point a | Point b and c | Point d |
---|---|---|---|
Sensitivity | 0.829 | 0.909 | 0.960 |
1 − Specificity | 0.381 | 0.541 | 0.683 |
The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors’ affiliated institutions.