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Table 1 Demographic data of the HA and OA groups

From: Study on the morphological characteristics and rotational alignment axis of placement plane of the tibial component in total knee arthroplasty for hemophilia-related knee arthritis

Patient demographics HA group (40 knees) OA group (42 knees) P
Age (years)ª 32.48 ± 10.25 62.31 ± 11.34 0.001
Heighta (cm) 172.09 ± 2.05 170.87 ± 6.66 0.271
BMIª 23.79 ± 2.82 24.03 ± 3.80 0.747
KL grade    0.241
KL grade 4 (40 knees) KL grade 3(3 knees)  
  KL grade 4 (39 knees)  
Side (Lt/Rt)    0.991
Lt: 21 knees Lt: 22 knees  
Rt: 19 knees Rt: 20 knees  
Deformity anglea (°)
Varus 3.36 ± 2.17 (17 knees) 11.23 ± 5.90 (35 knees) 0.001
Valgus 7.50 ± 6.42 (23 knees) 7.14 ± 6.09 (7 knees) 0.897
  1. BMI: Body Mass Index, HA: Hemophiliac Arthritis, KL: Kellgren-Lawrence, Lt: left, OA: Osteoarthritis, Rt: right
  2. aThe value is given as the mean ± SD