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Table 3 Dental examiner inter-class correlation coefficients (ICCs) for selected periodontal measures

From: Performance of a quality assurance program for assessing dental health in methamphetamine users

Site Assessment n Ref Mean (SE) Examiner Mean (SE) Bias (SE) ICC
  Dentition / Dental Caries      
A Mean DMFT 33 13.06 (1.28) 13.27 (1.28) 0.21 (0.17) 0.99
B   18 13.00 (1.82) 13.33 (1.86) 0.33 (0.23) 0.99
A Mean DFT 33 8.33 (0.99) 8.55 (0.97) 0.21 (0.17) 0.98
B   18 7.61 (1.20) 7.50 (1.11) −0.11 (0.29) 0.97
A Mean DS 33 9.18 (3.12) 8.89 (3.11) −0.30 (0.27) 0.99
B   18 9.00 (3.94) 7.55 (3.10) −1.44 (1.00) 0.96
A Mean number of teeth present 33 23.27 (1.14) 23.27 (1.14) 0.00 (0.04) 0.99
B   18 22.28 (1.62) 22.06 (1.61) −0.22 (0.13) 0.99
  Periodontal Status      
A Mean AL 31 2.39 (0.21) 2.51 (0.20) 0.12 (0.09) 0.89
B   18 2.92 (0.22) 2.80 (0.21) −0.12 (0.11) 0.87
A Mean PD 31 2.50 (0.08) 2.50 (0.09) 0.00 (0.29) 0.81
B   18 2.65 (0.12) 2.47 (0.14) −0.18 (0.08) 0.79
A Mean Recession 31 0.11 (0.18) −0.02 (0.15) −0.13 (0.08) 0.88
B   18 −0.27 (0.19) −0.34 (0.20) −0.06 (0.09) 0.91
A Mean AL-B sites 31 2.37 (0.20) 2.57 (0.20) 0.20 (0.11) 0.82
B   18 2.48 (0.15) 2.07 (0.15) −0.41 (0.12) 0.54
A Mean AL-M sites 31 2.19 (0.22) 2.10 (0.21) −0.08 (0.74) 0.81
B   18 2.93 (0.24) 2.97 (0.21) 0.04 (0.14) 0.83
A Mean AL-D sites 31 2.42 (0.22) 2.58 (0.22) 0.16 (0.10) 0.88
B   18 2.97 (0.29) 3.08 (0.27) 0.11 (0.12) 0.91
A Mean AL-DL sites 31 2.58 (0.24) 2.81 (0.20) 0.23 (0.11) 0.87
B   18 3.30 (0.32) 3.12 (0.27) −0.17 (0.26) 0.64
A Mean PD-B sites 31 1.83 (0.07) 1.96 (0.08) 0.13 (0.06) 0.60
B   18 1.86 (0.09) 1.54 (0.09) −0.32 (0.07) 0.43
A Mean PD-M sites 31 2.73 (0.10) 2.73 (0.11) 0.003 (0.06) 0.81
B   18 2.85 (0.15) 2.84 (0.13) −0.01 (0.09) 0.81
A Mean PD-D sites 31 2.80 (0.09) 2.77 (0.10) −0.03 (0.07) 0.74
B   18 2.96 (0.16) 2.79 (0.17) −0.17 (0.08) 0.84
A Mean PD-DL sites 31 2.63 (0.11) 2.52 (0.10) −0.11 (0.05) 0.85
B   18 2.91 (0.17) 2.71 (0.20) −0.20 (0.13) 0.75
  1. n number of replicate exams, ICC intra-class correlation coeficient, DMFT decayed, missing, filled teeth, DFT decayed and filled teeth, DS decayed tooth surfaces, AL attachment loss, PD pocket depth, B buccal/facial site, M mesio-facial site, D disto-facial site, DL disto-lingual site