Impact of Digital Panoramic Radiograph Magnification on Vertical Measurement Accuracy

Table 2

Intraobserver and interobserver differences and limits of agreement. SD: standard deviation.

	Difference (mm)		Limits of agreement (mm)
	Mean (SD)	Median min-max	Lower	Upper
Intraobserver difference
K-low	0.05 (0.17)	0.0 [−0.2; 0.4]	−0.29	0.39
K-medium	−0.03 (0.11)	0.0 [−0.3; 0.1]	−0.25	0.20
W-low	−0.04 (0.16)	0.0 [−0.3; 0.3]	−0.35	0.26
W-medium	0.01 (0.10)	0.0 [−0.1; 0.2]	−0.19	0.20
W-high	0.02 (0.04)	0.0 [0.0; 0.1]	−0.06	0.09
O-low	0.00 (0.18)	−0.05 [−0.3; 0.3]	−0.35	0.35
O-medium	0.00 (0.11)	0.0 [−0.2, 0.2]	−0.22	0.22
O-high	0.00 (0.06)	0.0 [−0.1, 0.1]	−0.12	0.12
Interobserver difference
K-low	−0.17 (0.23)	−0.3 [−0.5; 0.1]	−0.61	0.28
K-medium	−0.03 (0.08)	0.0 [−0.1; 0.1]	−0.17	0.12
W-low	0.06 (0.16)	0.0 [−0.2; 0.3]	−0.26	0.38
W-medium	−0.03 (0.11)	0.0 [−0.2, 0.2]	−0.23	0.18
W-high	−0.02 (0.07)	0.0 [−0.1, 0.1]	−0.16	0.12
O-low	0.05 (0.17)	0.05 [−0.4; 0.3]	−0.29	0.39
O-medium	0.00 (0.12)	0.0 [−0.2; 0.2]	−0.24	0.24
O-high	−0.02 (0.06)	0.0 [−0.1; 0.1]	−0.13	0.10