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Table 1 Demographic data

From: Intra-articular injection of two different doses of autologous bone marrow mesenchymal stem cells versus hyaluronic acid in the treatment of knee osteoarthritis: long-term follow up of a multicenter randomized controlled clinical trial (phase I/II)

  Control BM-MSCs
Low-dose High-dose
N 9 8 8
Age (years) 60.6 (58.9, 61.1) 65.9 (58.3, 69.5) 57.8 (54.4, 63.0)
Males, n (%) 7 (77.8) 4 (50) 6 (75)
BMI (kg/m2) 29.4 (26.2, 30.8) 26.6 (23.6, 32) 28.6 (24.9, 31.8)
K-L* 2, n (%) 4 (44.4) 1 (12.5) 2 (25)
K-L* 3, n (%) 2 (22.2) 2 (25) 3 (37.5)
K-L* 4, n (%) 3 (33.3) 5 (62.5) 4 (37.5)
  1. Data are presented as median [interquartile range (IQR)]. OA osteoarthritis *K-L: Kellgren and Lawrence grading scale of severity of knee osteoarthritis at the beginning of the clinical trial