Determining Cut-Off Points for the Dental Fear Survey

Figure 1

Determination of DFS cut-off points on the basis of the receiver operating characteristic (ROC) curve for responses to the question “Are you fearful of going to the dentist?” Not fearful (DFS score ≤ 35), a little fearful (36 ≤ DFS score ≤52), and highly fearful (DFS score ≥ 53).