Table 3 Frequency and difference (X2) of the responses indicated by oralmaxillofacial surgeons (OMFS) and orthodontists (ORTHO) when evaluating spontaneously erupted lower third molars (n=44) after analysis of one (XR1) or two serial radiographs (XR1 + 2)
From: The prediction of impacted versus spontaneously erupted mandibular third molars
OMFS | ORTHO | |||
|---|---|---|---|---|
XR1 | XR1+2 | XR1 | XR1+2 | |
Correct | 749 (63%) | 531 (44.7%) | 780 (65.7%) | 713 (60%) |
Error | 439 (37%) | 657 (55.3%) | 408 (34.3%) | 475 (40%) |
Total | 1188 (100%) | 1188 (100%) | 1188 (100%) | 1188 (100%) |
Kappa | 0.077 (p<0.0001) | 0.256 (p<0.0001) | ||
X2 XR1 OMFS vs ORTHO | 0.198 | |||
X2 XR1+2 OMFS vs ORTHO | <0.0001 | |||