Skip to main content

Table 4 Responsiveness of the IKDC-SKF for the total population as well as each patient subgroup

From: Measurement properties of the German version of the IKDC subjective knee form (IKDC-SKF)

 

IKDC-SKF

Δ total

Δ ACL

Δ Meniscus

Δ Cartilage

Δ Mix

Δ Lysholm

0.74 (≥ 0.4)

0.69 (≥ 0.4)

0.79 (≥ 0.4)

0.75 (≥ 0.4)

0.72 (≥ 0.4)

Δ PCS-12

0.60 (≥ 0.4)

0.57 (≥ 0.4)

0.54 (≥ 0.4)

0.68 (≥ 0.4)

0.59 (≥ 0.4)

GTO

−0.55 (≤ − 0.6)

−0.45 (≤ − 0.6)

−0.56 (≤ − 0.6)

−0.66 (≤ − 0.6)

−0.51 (≤ − 0.6)

ES

1.04 (≥ 0.8)

1.11 (≥ 0.8)

1.39 (≥ 0.8)

0.75 (≥ 0.8)

1.06 (≥ 0.8)

SRM

0.96 (≥ 0.8)

0.84 (≥ 0.8)

1.23 (≥ 0.8)

0.71 (≥ 0.8)

0.99 (≥ 0.8)

  1. Correlation estimates in parentheses indicate a priori formulated hypotheses
  2. Correlation estimates in bold indicate confirmed hypotheses
  3. Δ = change score
  4. IKDC-SKF = International Knee Documentation Committee Subjective Knee Form, PCS-12 = 12-item short-form health survey (SF-12) physical component summary scale, GTO = global treatment outcome, ES = effect size, SRM = standardised response mean, Total = all eligible study patients, ACL = anterior cruciate ligament surgery patients only, Meniscus = meniscal surgery patients only, Cartilage = articular cartilage surgery only, Mix = patients from a combination of the three surgery types (mixed surgery subgroup)