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Table 2 Comparison of BMD among different SMA subtype

From: Bone mineral density and its influencing factors in Chinese children with spinal muscular atrophy types 2 and 3

 

SMA 2a

(n = 11)

SMA 2b

(n = 11)

SMA 3a

(n = 13)

SMA 3b

(n = 5)

p-value#

TBLH BMD Z-scores

−4.1 ± 1.4

−3.5 ± 1.8

−2.3 ± 1.7

−1.3 ± 1.6

0.001

LS BMD Z-scores

−2.4 ± 1.2

−1.7 ± 1.3

− 0.6 ± 1.2

−0.1 ± 0.6

< 0.001

  1. Data are shown as mean ± standard deviation. BMD bone mineral density, SMA spinal muscular atrophy, TBLH total body less head, LS lumbar spine
  2. # p-values were calculated by Jonckheere-Terpstra test
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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