Care needs kept rising for years after hip fracture

Design

Retrospective population-based cohort using linked claims

Population

6,556 adults ≥75 surviving 180 days after hip fracture surgery

Primary outcome

Nonfatal worsening of certified care-need level

Effect

10.6% at 1 year, 28.3% at 2, 37.4% at 3

This Japanese cohort used linked medical and long-term care insurance claims for adults aged 75 or more in Kyoto who had hip fracture surgery between 2013 and 2018. It followed 6,556 who survived six months, asking how often their certified care-need level worsened, with death treated as a competing event.

Worsening occurred in 10.6% by one year, 28.3% by two years and 37.4% by three years. Each extra month of continuous rehabilitation in the first six months was associated with about 4% less worsening (subdistribution HR 0.961 per month). But when death was included in the outcome, there was no clear association. Frailty and pre-fracture care needs predicted worsening, with effects that changed over time.

The practical point is that the six-month review is not the end of the story. Care needs often step up in the second and third years, so planning should continue beyond early rehabilitation.

• Reassess function and care needs periodically for at least three years after hip fracture
• Consider supporting continuity of rehabilitation in the first six months
• Record frailty and pre-fracture care level as predictors of later decline
• Discuss future care needs with families early, not only at discharge

Why it matters

Decline after hip fracture often comes in the second and third years, after follow-up has usually ended.

Don't overread it

Claims-based associations; it does not show that longer rehabilitation causes less decline.

The statistics, in plain English

37.4% at three years means more than one in three survivors needed a higher level of care. The rehabilitation association disappeared when deaths were counted, so it may reflect who was well enough to keep attending.

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