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Table 2 Studies mapping the IAS to a spinal landmark in the upright position

From: The location of the inferior angle of the scapula in relation to the spine in the upright position: a systematic review of the literature and meta-analysis

Study Sample size, participant demographics Reference standard and method Location IAS relative to thoracic SP* Method of transforming data, if any ModifiedQUADAS score (n/14)
Cooperstein, 2007 [43] n = 34, 59% male; mean Y/O = 26; all healthy Radio-opaque marker placed on ISA, compared with spinal radiography T6: 5.9% n/a 11
T7: 17.6%
T8: 47.1%
T9: 26.5%
T10: 2.9
Haneline, 2008 [40] n = 50, 50% male; mean Y/O = 47.5; health status unknown Radiographic mensuration of scapula and spine T6: 8.0% Left and right scapular positions averaged n/a
T7: 26.0%
T8: 56.0
T9: 10.0%
Teoh, 2009 [4] n = 104, 54.8% male; mean Y/O; receiving chest radiography Radio-opaque marker placed on ISA, compared with spinal radiography T6: 1.0% n/a 14
T7: 9.6%
T8: 30.8%
T9: 36.5%
T10: 16.3%
T11: 5.8%
Arzola, 2011 [1] n = 55, 41.8% male; mean Y/O 30.7; all healthy Ultrasonography T6: 3.6% Intervertebral space findings apportioned equally to segments above and below 13
T7: 12.7%
T8: 29.1%
T9: 29.1%
T10: 16.4%
T11: 9.1%
Kim, 2012 [3] n = 100, 33% male; mean Y/O = 49.3; all symptomatic, variety of conditions Epidural insertion level as seen on radiography T5: 1% Subtracted 1 spinal level to account for use of epidural position 14
T6: 1%
T7: 25%
T8: 62%
T9: 10%
T10: 1%
  1. *Spinal levels corresponding to IAS reported following data transformation for uniform reporting and data pooling.