Females with osteoarthritis face greater risk of THR procedure — 4 insights

A study, published in Arthritis Care & Research, examined the relationship between total hip replacement surgery and osteoarthritis in five countries.

Ilana Ackerman, PhD, of Melbourne, Australia-based University of Melbourne, and colleagues used data on primary THR procedures between 2003 and 2013 from registries in Australia, Denmark, Finland, Norway and Sweden. They also obtained life tables and population data.

Here's what they found:

1. Lifetime THR risk ranged from 8.7 percent in 2003 to 15.9 percent in 2013 for female osteoarthritis patients and from 6.3 percent to 8.6 percent for male osteoarthritis patients.

2. Lifetime risk for THR increased in all countries between 2003 to 2013, except for Norway where lifetime risk was higher than the cohort.

3. In 2013 in Norway, 14.2 percent of all women and 10 percent of all men were at risk for THR.

4. Throughout all countries, females are at a higher risk for THR than men.

Researchers concluded, "Using representative, population-based data, this study found statistically significant increases in the lifetime risk of THR in five countries over a 10-year period, and substantial between-sex differences. These multinational risk estimates can inform resource planning for OA service delivery."

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