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Table 2 Clinical evaluation results

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

Range of motion of the knee
ExtensionMean value ± S.D. (°)PvalueFlexionMean value ± S.D. (°)Pvalue
Preoperative−6.0 ± 5.9 Preoperative131.3 ± 14.2 
1 month−4.8 ± 4.80.231 month133.9 ± 12.50.37
3 months−4.3 ± 4.50.103 months134.3 ± 11.90.29
6 months−3.7 ± 4.40.02a6 months134.5 ± 12.40.26
12 months−3.5 ± 4.10.02a12 months132.6 ± 15.20.67
Muscle force
Extension (Quadriceps)Mean value ± S.D. (Nm)PvalueFlexion (Hamstrings)Mean value ± S.D. (Nm)Pvalue
Preoperative202.5 ± 85.9 Preoperative99.5 ± 39.7 
1 month198.9 ± 91.10.861 month108.2 ± 41.30.36
3 months219.0 ± 103.80.433 months116.6 ± 59.80.07
6 months235.4 ± 104.50.116 months124.2 ± 41.7< 0.01a
12 months261.9 ± 106.7< 0.01a12 months126.8 ± 38.7< 0.01a
Western Ontario and McMaster Universities Osteoarthritis IndexVisual analog scale
Total ScoreMean value ± S.D.Pvalue Mean value ± S.D.Pvalue
Preoperative33.4 ± 18.2 Preoperative46.5 ± 23.5 
1 month26.3 ± 14.60.046a1 month30.1 ± 18.8< 0.01a
3 months22.8 ± 15.7< 0.01a3 months27.3 ± 17.6< 0.01a
6 months22.6 ± 16.4< 0.01a6 months27.4 ± 18.8< 0.01a
12 months22.6 ± 17.5< 0.01a12 months32.8 ± 24.7< 0.01a
Japanese Knee Osteoarthritis MeasureKnee injury and Osteoarthritis Outcome Score
Total ScoreMean value ± S.D.PvalueAverage Score of 5 subscalesMean value ± S.D.Pvalue
Preoperative34.9 ± 18.2 Preoperative48.7 ± 15.8 
1 month30.5 ± 17.10.261 month55.2 ± 17.60.04a
3 months25.8 ± 17.60.02a3 months58.6 ± 15.4< 0.01a
6 months24.5 ± 17.8< 0.01a6 months59.2 ± 15.8< 0.01a
12 months26.8 ± 19.70.04a12 months58.6 ± 16.8< 0.01a
  1. a Statistically significant, Standard deviation (S.D.)