Table 3 Cohens Kappa for intra-rater reliability in detecting a modifier in principle and in detecting the separate modifiers M1, M2 and M3 in the first and second surveys (Total: entire rater cohort, DR: developing raters, UR: user raters)
From: OF-Pelvis classification of osteoporotic sacral and pelvic ring fractures
0.95 CI | |||
|---|---|---|---|
Modifier | Kappa | (lower–upper limit) | |
Total | In principle | 0.684 | (0.585–0.784) |
M1 | 0.777 | (0.714–0.840) | |
M2 | 0.720 | (0.657–0.784) | |
M3 | 0.664 | (0.584–0.743) | |
DR | In principle | 0.723 | (0.611–0.835) |
M1 | 0.781 | (0.669–0.894) | |
M2 | 0.737 | (0.668–0.806) | |
M3 | 0.703 | (0.588–0.818) | |
UR | In principle | 0.651 | (0.481–0.821) |
M1 | 0.773 | (0.693–0.852) | |
M2 | 0.706 | (0.595–0.817) | |
M3 | 0.630 | (0.509–0.751) |