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Table 3 The frequency of low bone mineral status in active and inactive men after SCI, smokers and non-smokers men after SCI (Chi2 test, level of significance p)

From: Forearm bone mineral density in adult men after spinal cord injuries: impact of physical activity level, smoking status, body composition, and muscle strength

 

Reference ranges

Active men after SCI Wheelchair rugby players

Inactive men after SCI

Chi 2

(p)

 

%

 

BMD dis

Low BMD

20

56

6.876 (0.009)**

Norm BMD

80

44

 

BMD prox

Low BMD

44

80

7.089 (0.007)**

Norm BMD

56

20

 
 

Active smokers men after SCI

Non-smokers men after SCI

 
 

%

 

BMD dis

Low BMD

71.4

13.8

17.173 (0.000)***

Norm BMD

28.6

86.2

 

BMD prox

Low BMD

100

34.5

22.191 (0.000)***

Norm BMD

0

65.5

 
  1. BMD Bone Mineral Density, prox- proximal part of forearm, dis- distal part of forearm. Low BMD - T-score < − 1; Statistical significance was set at the levels of *p ≀ 0.05, **p ≀ 0.01 and ***p ≀ 0.001