Early radiological outcomes of a fully porous bridging collar in lower-limb endoprosthetic reconstructions: a case-matched retrospective series to assess osseointegration

Table 2 Propensity-matched data

Variable	Implant type		SMD
Variable	Non-porous (n = 40)	Porous Bridging (n = 40)	SMD
Indication			0.132
Aseptic loosening	6 (15.0)	5 (12.5)
Metastatic bone disease	8 (20.0)	8 (20.0)
Primary bone tumour	8 (20.0)	8 (20.0)
Periprosthetic joint infection	13 (32.5)	15 (37.5)
Periprosthetic fracture	5 (12.5)	19 (47.5)
Male sex	18 (45.0)	19 (47.5)	0.05
Resection length [mm]^a	155.6 ± 61.6	178.3 ± 61.1	0.367
Age [years]^a	66.6 ± 19.6	60.3 ± 19.2	0.327

Frequencies expressed as number of observations (percentage) for all outcomes (^aexcept resection length/age which are expressed as mean ± standard deviation (SD))
SMD standardized mean difference

ISSN: 2524-7948