Enchondromas and atypical cartilaginous tumors at the proximal humerus treated with intralesional resection and bone cement filling with or without osteosynthesis: retrospective analysis of 42 cases with 6 years mean follow-up

Table 1 Demographics of both treatment groups

	Intralesional resection + bone cement (n = 25)	Intralesional resection + bone cement + proximal humerus plate (n = 17)	Statistical test with p value
Gender
Male	n = 4	n = 8	Chi-square test p = 0.03
Female	n = 21	n = 9	Chi-square test p = 0.03
Age
Mean (± SD)	50.3 (± 10.8) years	48.2 (± 12.0) years	Mann-Whitney U test p = 0.52
Histology
Enchondroma	n = 19	n = 12	Chi-square test p = 0.67
ACT	n = 3	n = 2
Enchondroma or ACT	n = 3	n = 3

ISSN: 1477-7819