Table 4 Kappa values for inter-observer agreement for intra-articular gap (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 gap 1 = able to see gap |
|---|---|---|---|
P1P2 | 0.24 | 0.52 | 0.54 |
P1P3 | 0.16 | 0.39 | 0.53 |
P1P4 | 0.22 | 0.52 | 0.67 |
P1P5 | 0.03 | 0.08 | 0.06 |
P2P3 | 0.08 | 0.15 | 0.23 |
P2P4 | 0.27 | 0.25 | 0.60 |
P2P5 | −0.03 | −0.06 | −0.07 |
P3P4 | 0.15 | 0.45 | 0.47 |
P3P5 | 0.02 | 0.09 | 0.05 |
P4P5 | 0.03 | 0.11 | 0.07 |