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Table 5 Area under the curve (AUC) of the receiver operating characteristic (ROC) including 95% confidence intervals for each of the main recall indicators, across all sites and by type of site

From: Measuring malaria diagnosis and treatment coverage in population-based surveys: a recall validation study in Mali among caregivers of febrile children under 5 years

  All sites Public urban Public rural CHWs Private urban
AUC 95% CI AUC 95% CI AUC 95% CI AUC 95% CI AUC 95% CI
Recall of finger/heel stick 0.89 0.87, 0.90 0.86 0.81, 0.91 0.80 0.75, 0.84 0.82 0.78, 0.86 0.96 0.93, 0.98
Recall of positive malaria test resulta 0.78 0.74, 0.82 0.73 0.67, 0.79 0.74 0.24, 1.00 0.81 0.75, 0.87 0.90 0.78, 1.00
Recall that malaria diagnosis was made 0.75 0.72, 0.77 0.75 0.70, 0.81 0.60 0.50, 0.71 0.74 0.70, 0.79 0.81 0.77, 0.85
Recall of any anti-malarial givenb 0.70 0.68, 0.73 0.68 0.61, 0.75 0.62 0.50, 0.74 0.68 0.64, 0.73 0.72 0.68, 0.77
Recall of ACT givenb 0.67 0.65, 0.69 0.65 0.61, 0.69 0.64 0.60, 0.68 0.75 0.71, 0.78 0.62 0.57, 0.66
Recall of ACT, corrected by visual aid 0.74 0.72, 0.76 0.69 0.65, 0.74 0.74 0.69, 0.78 0.82 0.79, 0.86 0.69 0.64, 0.73
Recall of ACT, corrected by retained prescription 0.79 0.77, 0.81 0.76 0.72, 0.80 0.80 0.77, 0.84 0.81 0.77, 0.85 0.75 0.71, 0.80
Recall of ACT, corrected by retained packaging 0.81 0.79, 0.83 0.74 0.69, 0.78 0.80 0.77, 0.84 0.89 0.86, 0.92 0.78 0.73, 0.82
Recall of ACT, corrected by visual aid, prescription or retained packaging 0.82 0.80, 0.83 0.74 0.70, 0.78 0.82 0.78, 0.85 0.89 0.86, 0.92 0.79 0.75, 0.84
  1. A high individual-level accuracy is generally considered 13 to be AUC > 0.7; moderate individual-level accuracy to be AUC 0.6–0.7; and low individual-level accuracy AUC < 0.6, based on recommendations from the Child Health Epidemiology Reference Group (CHERG) and Improving Coverage Measurement (ICM) group
  2. ACT artemisinin-based combination therapy, AUC area under [ROC] curve, CHW community health worker
  3. aAmong those children tested
  4. bExcludes treatment that caregiver reported receiving from a different facility or healthcare provider
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