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Table 3 Improvement rate from baseline to 12-month postoperatively in Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), visual analog scale (VAS) for pain, Japanese Knee Osteoarthritis Measure (JKOM), and Knee injury and Osteoarthritis Outcome Score (KOOS) scores among Kellgren-Lawrence classifications

From: The influence of adipose-derived stromal vascular fraction cells on the treatment of knee osteoarthritis

 Clinical scoreKellgren-Lawrence classificationP value
Grade II (11 patients)Grade III (36 patients)Grade IV (10 patients)GradeII vs IIIGradeII vs IVGradeIII vs IV
PreoperativeWOMAC27.7 ± 15.135.1 ± 17.537.6 ± 21.50.270.210.70
scoreVAS35.5 ± 18.652.1 ± 22.755.4 ± 30.80.070.060.70
 JKOM27.4 ± 15.337.4 ± 18.537.1 ± 20.80.150.240.97
 KOOS52.9 ± 12.048.6 ± 17.545.4 ± 14.60.460.280.56
12 monthsWOMAC11.2 ± 9.426.0 ± 16.625.7 ± 17.10.01a0.04a0.96
scoreVAS20.7 ± 20.237.4 ± 24.642.4 ± 25.80.070.045a0.56
 JKOM14.4 ± 9.631.6 ± 20.132.2 ± 18.50.01a0.03a0.92
 KOOS68.5 ± 14.356.3 ± 17.956.1 ± 14.00.048a0.080.97
ImprovementWOMAC58.5 ± 26.522.8 ± 46.828.8 ± 22.10.02a0.090.67
rateVAS14.8 ± 20.014.7 ± 20.913.0 ± 18.30.990.840.81
 JKOM34.4 ± 49.97.4 ± 56.65.7 ± 27.80.150.200.92
 KOOS19.1 ± 24.211.2 ± 27.917.7 ± 21.20.410.900.47
  1. Mean value ± Standard deviation (S.D.) a Statistically significant