Stage determined by CT | Stage determined by plain radiography |
|---|
Stage | 0 | 1 | 2 | 3 | 4 | 5 | Total |
0 | 11 | 1 | 0 | 0 | 0 | 0 | 12 |
1 | 3 | 0 | 2 | 0 | 0 | 0 | 5 |
2 | 0 | 2 | 5 | 0 | 0 | 1 | 8 |
3 | 0 | 0 | 2 | 1 | 1 | 1 | 5 |
4 | 0 | 0 | 1 | 5 | 15 | 14 | 35 |
5 | 0 | 0 | 0 | 0 | 3 | 21 | 24 |
Total | 14 | 3 | 10 | 6 | 19 | 37 | 89 |
Concordance rate | 78.57% | 0.00% | 50.00% | 16.67% | 78.95% | 56.76% | 59.55% |
- The distribution of error types was as follows: miscalculation of excursion (n = 12), skip ossification (n = 3), isolated non-linear ossification (n = 3), micro-fusion (n = 3), pseudo-fusion (n = 14), and presence of gas shadow (n = 1). Further, the results of the statistical analyses revealed a significant difference between stages (p = 0.011), with stages 1, 2, 3, and 5 exhibiting a lower rate of concordance (<70%). According to FM, concordance rates were 78.57% in stage 0, 40.00% in stage 1, 66.67% in stage 2, 80.95% in stage 3, 36.00% in stage 4, and 100% in stage 5 (Table 2).
- CT computed tomography, % percentage.
