Table 1

Results for responders/non-responders per treatment group

Patient profile *Δ IKDC per caseSurgeon preferred treatment ‘APM’ (%)Correctly identified as (non-)responder (%)
Responders to APM1870.120.162.9
1267.814.443.8
1564.433.069.1
1762.119.659.8
658.621.163.4
Group average64.6 (58.9 to 70.3)21.6 (13.1 to 30.2)59.8 (47.9 to 71.6)
Non-responders to APM14−6.939.722.7
1−8.057.243.8
2−9.225.326.3
5−11.552.623.7
19−21.81.076.3
Group average−11.5 (−19.0 to −4.0)25.2 (−1.7 to 52.0)38.6 (10.3 to 66.8)
Responders to exercise therapy762.116.078.9
1056.347.449.5
954.05.281.4
1351.75.276.8
846.019.674.2
Group average54.0 (46.7 to 61.4)18.7 (−2.8 to 40.2)72.2 (56.1 to 88.2)
Non-responders to exercise therapy11−8.17.221.6
20−8.17.218.6
3−12.643.838.1
16−12.637.644.8
4−24.19.823.7
Group average−13.1 (−21.3 to -4.9)21.1 (−1.3 to 43.5)29.4 (15.2 to 43.6)
  • Group average is expressed as percentage with CI.

  • *The patient profile numbers match the patient profile numbers in online supplement 1.

  • APM, arthroscopic partial meniscectomy;CI, confidence interval; IKDC, International Knee Documentation Committee.