Skip to main content

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 2 Western Ontario and McMaster (WOMAC) osteoarthritis index pain outcome scores, subsidence and follow-up times

From: A prospective study of hip revision surgery using the Exeter long-stem prosthesis: function, subsidence, and complications for 57 patients

Result

Mean

95% confidence interval

Average follow-up

36.3 months (range 6–84)

Pre-operative WOMAC

33.5

31.0–36.0

Post-operative WOMAC

10.7

8.4–13.0

Subsidence

0.79 mm (range 0–2.81)

0.57–1.01

Rate of subsidencea

0.43 mm/year

0.24–0.62

  1. aResults for 40 patients, as 17 patients showed no subsidence