DC/TMD Examiner Protocol: Longitudinal Evaluation on Interexaminer Reliability
Table 2
Cohen’s kappa (K) and examiner agreement (% agreement values in parentheses) for reporting pain (Yes/No) and for reporting TMJ noises during opening and closing movements (Yes/No) between the “reference” and Examiner 1 and the “reference” and Examiner 2. N = number of observations.
2013
2014
Examiner 1
Examiner 2
Examiner 1
Examiner 2
N
K (% agreement)
N
K (% agreement)
N
K (% agreement)
N
K (% agreement)
M. temporalis1
Posterior
24
0.78 (91.7)
27
0.81 (92.6)
32
0.40 (78.1)
32
0.30 (71.9)
Middle
23
0.56 (78.3)
26
0.33 (65.4)
31
0.48 (74.2)
32
0.57 (81.3)
Anterior
21
0.35 (66.7)
27
0.70 (85.2)
32
0.68 (84.4)
32
0.56 (78.1)
M. masseter2
Origin
24
0.50 (75.0)
26
0.34 (65.4)
31
0.69 (80.6)
31
0.27 (64.5)
Body
22
0.31 (68.3)
25
0.66 (88.0)
30
0.74 (90.0)
32
0.67 (84.3)
Insertion
20
0.50 (75.0)
26
0.57 (76.9)
30
0.67 (83.3)
32
0.87 (93.8)
TMJ sounds
Open/close3
Click
Open
32
0.48 (75.0)
32
0.54 (78.1)
32
0.62 (90.6)
32
0.72 (93.8)
Close
32
0.69 (87.5)
32
0.72 (87.5)
32
1.00 (100.0)
32
0.72 (96.9)
Crepitus
Open
32
(100.0)
32
(100.0)
32
(100.0)
32
(100.0)
Close
32
(100.0)
32
(93.8)
32
(96.9)
32
(96.9)
Lateral/protrusive4
Click
32
0.66 (84.4)
32
0.62 (81.3)
32
0.53 (87.5%)
32
0.53 (87.5)
Crepitus
32
(100.0)
32
(100.0)
32
(90.6)
32
(90.6)
1Three vertical zones together (both sides). 2Three horizontal zones together (both sides). 3Opening and closing movements (both sides). 4Lateral and protrusive movements (both sides). For interpretation of the kappa statistic, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3900052/.