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Table 1 Comparison of baseline demographics in the study groups

From: Comparative matched-pair cohort analysis of the short-term clinical outcomes of mesenchymal stem cells versus hyaluronic acid treatments through intra-articular injections for knee osteoarthritis

  MSC (n = 30) HA (n = 30) P value
Age, years 63.0 ± 3.2 (57–70) 63.2 ± 3.8 (56–71) 0.769
Gender, male/female, n 11/19 11/19 >  0.999
Body mass index, kg/m2 26.4 ± 1.5 (22.9–28.9) 26.6 ± 1.5 (24.5–29.5) 0.546
Side of involvement, right/left, n 14/16 18/12 0.309
Follow-up period, months 14.2 ± 3.4 (12–24) 15.2 ± 3.9 (12–25) 0.293
Kellgren-Lawrence grade, n (%) 0.769
 1 2 (6.7) 3 (10.0)  
 2 10 (33.3) 9 (30.0)  
 3 12 (40.0) 13 (43.3)  
 4 6 (20.0) 5 (16.7)  
  1. Data are expressed as mean ± standard deviation (range) unless otherwise indicated. MSC Mesenchymal stem cell, HA Hyaluronic acid
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