Skip to main content

Table 3 MRR categories and reviewers’ tabulations

From: Reliability of medical record abstraction by non-physicians for orthopedic research

Categories/choices Surgeon RC1 (1st) RC1 (2nd) RC2
Index knee     
  Left 34 34 35 33
  Right 40 40 39 40
Bilateral operation     
  Yes 10 10 10 10
  No 64 64 64 61
Arthroplasty approach type     
  Medial/median peripatellar 70 71 71 73
  Lateral peripatellar 0 0 0 0
  Subvastus/midvastus 3 1 1 1
  Quadriceplasty 0 0 0 0
  Tibial Tubercle Osteotomy/TTO 0 0 0 0
  Other 0 1 2 0
  Not documented 0 1 0 0
Cement fixation     
  Cemented 72 74 74 68
  Cementless 1 0 0 0
  Not documented     
Lateral release type     
  No 56 56 56 56
  Yes – patellar tracking 9 10 10 9
  Yes – tibial femoral alignment 4 5 5 4
  Yes – both patellar tracking and tibial femoral alignment 3 3 3 2
  Not documented/insufficient information 1 0 0 2
Posterior cruciate ligament recession     
  No 51 55 55 53
  Yes 21 19 19 18
  Not documented 1 0 0 2
Knee alignment     
  Varus 49 43 43 34
  Valgus 19 18 18 13
  Neutral 3 7 7 3
  Not documented/insufficient information 3 6 6 21
Knee predominant compartment     
  Medial 49 46 46 44
  Lateral 19 18 18 12
  Even 3 2 2 4
  Not documented/insufficient information 3 8 8 11