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Arthritis
Table of Contents
Special Issues
Arthritis
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2013
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Article
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Tab 2
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Clinical Study
Retrospective Cohort Study of the Prevalence of Lumbosacral Transitional Vertebra in a Wide and Well-Represented Population
Table 2
Average ages of the subjects according to the classification types.
Mean age (years)
Type Ia
200
43 ± 15.8
Type Ib
135
40.6 ± 13.9
Type IIa
75
37.5 ± 12.5
Type IIb
50
36 ± 13.2
Type IIIa
36
38.9 ± 12,8
Type IIIb
83
37.4 ± 15.5
Type IV
41
38.1 ± 17