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Table 2 The differences of joint-SUVmean and intra-articular SUVmax by the evidences for knee OA

From: (18F)Fluoro-deoxy-D-glucose uptake of knee joints in the aspect of age-related osteoarthritis: a case-control study

   n Age (yr) BW (kg) HT(cm) BMI (kg/m2) SUVmax SUVmean
Knee + Symptom† Total 62 57.5 ± 11.8 64.01 ± 1.1 162.6 ± 7.9 24.1 ± 3.3 1.73 ± 0.58** 0.95 ± 0.23
  Male 24 56.0 ± 11.8 70.91 ± 2.1 170.6 ± 5.5 24.2 ± 3.2 1.77 ± 0.60 0.92 ± 0.21
  Female 38 58.5 ± 11.8** 59.7 ± 8.1** 157.6 ± 4.2 24.1 ± 3.4** 1.69 ± 0.57** 0.96 ± 0.24**
Knee without Symptom Total 104 53.9 ± 11.5 61.8 ± 12.0 163.2 ± 8.9 23.1 ± 3.2 1.49 ± 0.40 0.89 ± 0.19
  Male 58 55.6 ± 12.3 68.7 ± 10.7 169.0 ± 6.4 23.9 ± 3.0 1.56 ± 0.41 0.95 ± 0.19
  Female 46 51.8 ± 10.1 53.2 ± 7.1 155.8 ± 5.8 21.9 ± 2.9 1.40 ± 0.36 0.81 ± 0.15
Knee + OA history   20 64.6 ± 6.8** 63.0 ± 6.1 156.5 ± 2.9* 25.7 ± 2.7** 1.95 ± 0.57** 1.10 ± 0.24**
Clinical§ + laboratory OA 36 61.6 ± 9.9** 64.1 ± 8.1 162.3 ± 7.6 24.4 ± 2.9 1.80 ± 0.54** 0.99 ± 0.23**
Clinical + Radiographic§§ OA 71 59.5 ± 9.8** 64.0 ± 11.1 162.7 ± 7.9 24.1 ± 3.3 1.67 ± 0.55* 0.96 ± 0.20**
  1. value = mean ± SD.
  2. BW; body weight, HT; height, BMI; body mass index.
  3. †; knee joint pain, stiffness, crepitus, bony enlargement and tenderness.
  4. §; ≥ 2 of the symptoms‡.
  5. §§; with definite osteophytes (≥ K/L grade II).
  6. *; p < 0.05, ** ; p < 0.01.
  7. As compared with those of the sex-matched groups without symptom.
  8. As compared with those of the groups without OA history, clinico-laboratory or clinic-radiological OA.