Table 1 2 × 2 contingency tables for CBCT and USG Assessment.

From: In vitro comparison of the imaging properties of dental materials in soft tissue using ultrasonography and cone beam computed tomography

CBCT (all observers and reads):

Gold standard positive (n = 15)

Gold standard negative (n = 1)

Test positive

TP = 13

FP = 0

Test negative

FN = 2

TN = 1

USG (all observers and reads):

Gold standard positive (n = 15)

Gold standard negative (n = 1)

Test positive

TP = 15

FP = 0

Test negative

FN = 0

TN = 1

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