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Table 1 Characteristics of cases

From: Epidemiological differences between the sexes in adolescent patients with lumbar spondylolysis: a single-institution experience in Japan

 

Males

Females

p-value

Total cases

197

64

 

 Unilateral cases

73 (37%)

19 (30%)

 

 Bilateral cases

110 (56%)

41 (64%)

 

 Multiple vertebrae cases

14 (7%)

4 (6%)

 

 Recurrent cases

17 (9%)

2 (3%)

 

Age, median (IQR)

14 (13–16)

14 (13–16)

0.66

SBO

128 (65%)

28 (44%)

0.0026

  1. Abbreviations: IQR, interquartile range; SBO, spina bifida occulta