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Table 1 Reliability statistics for the subjects with and without symptoms

From: Clinical measurement of the thoracic kyphosis. A study of the intra-rater reliability in subjects with and without shoulder pain

Measurement Mean(SD) Range ICC-single (95%CI) SEM from ICC-single ICC-average (95%CI) SEM from ICC-average
Subjects without symptoms
T1/2 and T12/L1 35.5°(6.0°) 5°-62° .95 (.91-.97) 2.4° .97 (.95-.99) 1.0°
T1/T2 24.9°(8.1°) 2°-49° .92 (.89-.96) 2.3° .96 (.92-.98) 1.6°
T12/L1 10.5°(4.1°) 0°-23° .89 (.81-.94) 1.4° .94 (.89-.97) 1.0°
Subjects with symptoms
T1/2 and T12/L1 37.6°(9.5°) 11°-62° .93 (.88-.96) 2.5° .97 (.94-.98) 1.7°
T1/T2 26.6°(7.6°) 7°-51° .93 (.87-.96) 2.0° .96 (.93-.98) 1.5°
T12/L1 11.0°(3.7°) 1°-23° .84 (.73-.91) 1.5° .92 (.84-.98) 1.1°
  1. Abbreviations: T1 (1st thoracic spinous process), T2 (2nd thoracic spinous process), T12 (12th thoracic spinous process), L1 (1st lumbar spinous process), ICC (intraclass correlation coefficient), SEM (standard error of measurement)