Retrospective Cohort Study
Copyright ©The Author(s) 2023.
World J Orthop. Apr 18, 2023; 14(4): 218-230
Published online Apr 18, 2023. doi: 10.5312/wjo.v14.i4.218
Table 5 Univariate analysis comparing demographic characteristics and reoperation rates between the primary distal femoral replacement and revision distal femoral replacement subgroups, n (%)

Primary DFR (n = 29)
Revision DFR (n = 26)
P value
Age (mean ± SD)49.7 ± 20.6 yr52.2 ± 21.1 yr0.649
Gender 0.44
Male13 (44.8)9 (34.6)
Female16 (55.2)17 (65.4)
Body mass index (mean ± SD)29.5 ± 8.5 kg/m230.0 ± 8.4 kg/m20.567
Follow-up (mean ± SD)42.7 ± 61.4 mo34.5 ± 47.5 mo0.946
Complication requiring reoperation?11 (37.9)9 (34.6)0.799
Total reoperations required (mean ± SD)1.4 ± 2.61.0 ± 1.80.624