Volumetric Analysis of the Jaws in Skeletal Class I and III Patients with Different Facial Divergence Using CBCT Imaging
Table 2
Assessment of the intraobserver reliability and error of the method.
Variable
First measure
Second measure
ICC
Means difference
value
Mean
SD
Mean
SD
MdV (mm3)
55446
11018
55315
11041
0.999
130.40
0.114
MxV (mm3)
63216
7323
63253
7357
0.998
−36.57
0.443
SNA (°)
81.6
3.0
81.5
3.0
0.999
0.02
0.678
SNB (°)
83.2
3.4
83.3
3.4
0.999
−0.07
0.089
ANB (°)
−1.6
4.1
−1.5
4.0
0.999
−0.1
0.811
Y-axis (°)
63.9
3.2
63.8
3.3
0.999
0.05
0.343
MM (°)
23.6
5.6
23.5
5.5
0.999
0.5
0.381
Md.SN (°)
31.8
6.9
31.9
6.9
0.999
−0.02
0.672
Mx.SN (°)
8.31
2.7
8.3
2.8
0.998
0.01
0.782
Bjork sum (°)
391.8
6.9
392.0
6.9
0.998
−0.15
0.613
N-Me (mm)
112.25
5.9
112.2
5.9
0.999
0.06
0.297
S-Go (mm)
74.3
8.7
74.4
8.6
0.999
0.07
0.191
N-Go (mm)
107.5
6.8
107.7
6.7
0.997
0.07
0.089
SD: standard deviation, ICC: intraclass correlation coefficients; MdV: mandibular volume, and MxV: maxillary volume Comparison between repeated measurements using the paired t-test.
