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Table 6 Results of the visual inspection (reference standard) and fluorescence - based devices (LFpen and FC) in discriminating teeth with Dentine lesions

From: Comparative diagnostic accuracy studies with an imperfect reference standard – a comparison of correction methods

 

Reference standard

(D3 – Examiner 1)

 

Reference standard

(D3 - Examiner 1)

Index test

Positive

Negative

Index test

Positive

Negative

LFpen positive

20

45

FC positive

21

38

LFpen negative

1

341

FC positive

0

348

 

21

386

 

21

386