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Table 1 Demographic and clinical characteristics of total knee arthroplasty patients

From: Association between knee alignment, osteoarthritis disease severity, and subchondral trabecular bone microarchitecture in patients with knee osteoarthritis: a cross-sectional study

Characteristic All Varus Valgus p
(n = 71) (n = 60) (n = 11)
Age (years) 70 ± 8 70 ± 8 67 ± 8 0.330
Gender (male:females) 16:55 13:47 3:8 0.702
Affected limb (right:left) 30:41 25:35 5:6 1.000
Height (m) 1.62 ± 0.06 1.62 ± 0.07 1.63 ± 0.06 0.523
Body mass (kg) 67.1 ± 8.7 67.1 ± 9.2 66.7 ± 5.3 0.884
BMI (kg/m2) 25.5 ± 2.9 25.6 ± 2.9 25.1 ± 2.6 0.621
WOMAC 68 ± 29 67 ± 30 73 ± 21 0.518
Hip-knee-ankle angle (°) 7.5 ± 8.5 10.3 ± 5.3 − 7.9 ± 5.7 < 0.001
K-L grade (2:3:4) 2:35:34 2:27:31 0:8:3 0.189
  1. Data are presented as either number or mean ± standard deviation
  2. Significant values are in bold (P < 0.05)
  3. BMI bone mass index, K-L Kellgren-Lawrence, WOMAC Western Ontario and McMaster Universities Arthritis Index