Table 1 Interobserver agreement of AADI and Swischuk line method in cervical lateral radiographs in flexion and neutral posture
AADI method | Swischuk line method | |||
|---|---|---|---|---|
Intraobserver agreement | Flexion posture | R-1 Vs R1-2 | 0.98 (P < 0.001) | 0.98 (P < 0.001) |
R2-1 Vs R2-1 | 0.90 (P < 0.001) | 0.96 (P < 0.001) | ||
R3-1 Vs R3-1 | 0.89 (P < 0.001) | 0.98 (P < 0.001) | ||
Neutral posture | R1-1 Vs R1-2 | 0.97 (P < 0.001) | 0.88 (P < 0.001) | |
R2-1 Vs R2-2 | 0.97 (P < 0.001) | 0.95 (P < 0.001) | ||
R3-1 Vs R3-2 | 0.78 (P < 0.001) | 0.88 (P < 0.001) | ||
Interobserver agreement | Flexion posture | R1 Vs R2 | 0.86 (P < 0.001) | 0.97 (P < 0.001) |
R2 Vs R3 | 0.83 (P < 0.001) | 0.98 (P < 0.001) | ||
R1 Vs R3 | 0.67 (P < 0.001) | 0.97 (P < 0.001) | ||
Neutral posture | R1 Vs R2 | 0.97 (P < 0.001) | 0.96 (P = 0.007) | |
R2 Vs R3 | 0.73 (P < 0.001) | 0.91 (P < 0.001) | ||
R1 Vs R3 | 0.74 (P < 0.001) | 0.86 (P < 0.001) | ||