Table 1.

Demographic data (n = 796)

Variable	Reoperation	No reoperation	p-value
No. of index cases	235	561	NA
Age, mean (SD)	40 (8)	41 (9)	0.7
Male sex, n (%)	138 (59)	346 (62)	0.4
Follow-up years, mean (SD)	9 (5)	8 (5)	< 0.01
Hospital volume, n (%) a
< 40 cases	187 (80)	451 (80)	0.9
≥ 40 cases	48 (20)	110 (20)

^aTotal number of young femoral neck fracture fixation cases performed from 1997 to 2013.