Retrospective Cohort Study of the Prevalence of Lumbosacral Transitional Vertebra in a Wide and Well-Represented Population

Table 4

Comparison of the classification according to gender.

	Women (𝑛)	Men (𝑛)	P value*
Type Ia	87	113	0.016
Type Ib	47	88	<0.001**
Type IIa	34	41	0.186
Type IIb	22	28	0.193
Type IIIa	21	15	0.241
Type IIIb	41	42	0.42
Type IV	24	17	0.212
Lumbarization	38	25	0.088
Sacralization	276	344	<0.001**
LSTV	314	369	0.002**

LSTV: lumbosacral transitional vertebra.
∗Chi-square test.
∗∗Statistically significant.