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Table 2 Probability that the same observer would measure the same radiograph within 0.5° of the initial measurement (%)

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

Observer Method 1 Method 2 Method 3
1 86 (78–95) 94 (86–98) 84 (72–92)
2 90 (81–96) 92 (83–97) 76 (67–88)
3 82 (71–91) 96 (88–99) 78 (70–90)