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Table 2 Intra-rater-reproducibility of landmark definition assessed for 20 cases

From: Vertical head rotation as major source of differences between time-separated digital cephalometric radiographs of patients acquired in one cephalostat X-ray device

Reference point

Coordinate

Mean difference [mm]

Standard deviation [mm]

Range [mm]

S

x

–0.012

0.091

–0.150; 0.260

S

y

0.004

0.114

–0.310; 0.160

N

x

0.026

0.119

–0.150; 0.310

N

y

0.118

0.189

–0.310; 0.430

A

x

–0.075

0.110

–0.290; 0.170

A

y

0.081

0.261

–0.310; 0.540

  1. Differences were defined as measurement No1 minus measurement No2
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BMC Medical Imaging

ISSN: 1471-2342

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