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. 2016 Feb 20;5:141. doi: 10.1186/s40064-016-1772-x

Table 1.

The demographic characteristics of the studied populations by spinal deformity

Group European American African Americans
n X SD Range n X SD Range
Control 95 46.5 16.2 21–93 90 43.3 16.9 20–89
Scheuermann’s kyphosis 102 48.65 12.8 25–80 81 41.8 14.9 20–87