Figure 2From: Health literacy and blood glucose among Guyanese emergency department patients without diagnosed diabetes: a cross-sectional study ROC AUC for RBG detecting HbA1c ≥ 48mmol/mol: 0.94 (95% CI 0.91-0.97). Abbreviations: ROC AUC, receive operating characteristics area under the curve; HbA1c, glycated hemoglobin; CI, confidence interval.Back to article page