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Table 1 Summary of measures to be collected

From: Arthroscopic partial meniscectomy in middle-aged patients with mild or no knee osteoarthritis: a protocol for a double-blind, randomized sham-controlled multi-centre trial

Variable Baseline Intermediate Primary endpoint Follow-up
  T = 0 mths T = 3 mths T = 2 yrs T = 5 yrs
Baseline data     
  Age – yr @ n.a. n.a. n.a.
  Female sex - no. (%) @ n.a. n.a. n.a.
  Duration of knee symptoms - months @ n.a. n.a. n.a.
  Height - cm @ n.a. n.a. n.a.
  Body weight - kg @ n.a. @ @
  Self-efficacy scale @ n.a. n.a. n.a.
Knee injury and Osteoarthritis Outcome Score (KOOS)     
  Pain – range: 0-100 @ @ @ @
  Symptoms - range: 0-100 @ @ @ @
  Function in daily living – range: 0-100 @ @ @ @
  Function in sport and recreation – range: 0-100 @ @ @ @
  Knee related Quality of life – range: 0-100 @ @ @ @
EQ-5D     
  Global disease descriptive system @ @ @ @
  VAS patient global assessment of disease status - 0-100 @ @ @ @
Short-Form-36 health survey - acute form     
  Physical component summary – range: 0-100 @ @ @ @
  Mental component summary – range: 0-100 @ @ @ @
Global Perceived Effect     
  7 step scale ranging from much worse to much better n.a. @ @ @
Standardized knee radiographic with SynaFlexer     
  JSW and presence of osteophytes @ n.a n.a @
Performance measures     
  Single leg hop test @ @ @ n.a.
  Knee-bending test @ @ @ n.a.
  Isometric knee extensor strength @ @ @ n.a.
  1. @ = Assessed; n.a. = not assessed; VAS = Visual Analogue Scale; JSW = joint space width.