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Table 5 Comparison of interobserver percent agreement for classification of instability (%)

From: Intraobserver and interobserver reliability of measures of cervical sagittal rotation

Observer Method 1 Method 2 Method 3
All 90 (81–96) 96 (85–99) 82 (70–91)
1 & 2 86 (76–93) 90 (82–95) 74 (62–85)
1 & 3 94 (83–98) 98 (92–100) 84 (74–92)
2 & 3 88 (79–95) 92 (87–96) 80 (69–91)