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Table 1 Demographic data for 14 knees with a closing wedge high tibia osteotomy prior to TKA (index group) and 14 knees with a primary TKA (control group)

From: The effect of high tibial osteotomy on the results of total knee arthroplasty: a matched case control study

Demographic Index Control
Gender, female : male 10 : 2 10 : 2
Age, median years 60 (51 – 75) 61 (51 – 75)
Follow-up, median years 3.7 (2.3 – 8.8) 4.0 (2.3 – 8.3)
BMI, median kg/m2 31.1 (26.2 – 41.5) 28.6 (24.5 – 37.3)
ASA   
   1 1 2
   2 10 10
   3 3 2
OA, Kellgren-Lawrence score   
   Grade 2 1 1
   Grade 3 12 9
   Grade 4 1 4
OA, Ahlbäck score   
   Grade 1 4 4
   Grade 2 6 8
   Grade 3 3 1
   Grade 4 1 1
Prosthesis, Kinemax : Genesis 11 : 2 10 : 3