Table 5 Kappa values for inter-observer agreement for intra-articular step (taken from 1st recording) using raw scores and scores dichotomised with recoding
From: Reliability of radiographic measurements for acute distal radius fractures
Pairwise comparison | Uncoded data (as recorded) | Coding: 0 = < 1 mm 1 = equal or > 1 mm | Coding: 0 = unable to see step 1 = able to see step |
|---|---|---|---|
P1P2 | 0.25 | 0.38 | 0.63 |
P1P3 | 0.13 | 0.07 | 0.29 |
P1P4 | 0.22 | 0.30 | 0.56 |
P1P5 | 0.00 | 0.00 | 0.00 |
P2P3 | 0.25 | 0.43 | 0.53 |
P2P4 | 0.23 | 0.14 | 0.56 |
P2P5 | 0.00 | 0.00 | 0.00 |
P3P4 | 0.11 | −0.11 | 0.26 |
P3P5 | 0.00 | 0.00 | 0.00 |
P4P5 | 0.00 | 0.00 | 0.00 |