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Postoperative outcomes in patients operated for extra- and intracapsular hip fractures - a secondary analysis of two
Shams Dakhil1,2, Ane Djuv3,4, Ingvild Saltvedt5,6
1Institute of Clinical Medicine, University of Oslo, Campus Ahus, Oslo, Norway.
Background:
Hip fractures are among the most common and serious injuries in older adults. There has been a perception that extracapsular hip fractures have worse outcome than intracapsular hip fractures. We aimed to examine postoperative outcomes in patients operated for extra- and intracapsular hip fractures.
Methods:
This is a secondary analysis of data from two randomized controlled trials evaluating the effect of orthogeriatric care. Bivariate analyses were conducted, comparing patients with extracapsular fracture to patients with intracapsular fracture. Mortality, length of hospital stay (LOS), new nursing home admissions, operative data and measures of functional and cognitive performance were assessed as endpoints.
Results:
The primary analysis included 711 patients; 283 patients had an extracapsular fracture and 428 an intracapsular fracture. At four months follow-up, the intracapsular fracture group had significantly better Short Physical Performance Battery (SPPB) (5.0 vs. 4.0, p = 0.007), personal Activities of Daily Living (p-ADL) (17.0 vs. 16.0, p = 0.007) and instrumental ADL (i-ADL) (32.5 vs. 28.0, p = 0.049). There were no statistically significant differences between the groups at 12 months.
Conclusions:
Patients with an extracapsular fracture had worse mobility and ADL levels four months postoperatively, but there were no clinically relevant differences at 12 months postoperatively.
