Table 1.
Demographics of the Study Groups
| Demographics | Group A (n = 23) | Group B (n = 39) | p Value |
|---|---|---|---|
| Age (y)a | 64.13 ± 9.10 | 64.56 ± 10.88 | .873 |
| Sexb | . 424 | ||
| Male | 10 (43.48%) | 13 (33.33%) | |
| Female | 13 (56.52%) | 26 (66.67%) | |
| BMI (kg/m2) a | 26.16 ± 2.83 | 25.55 ± 3.61 | .493 |
| Involved jointb | <0.01 | ||
| Hip | 7 (30.43%) | 34 (87.18%) | |
| Knee | 16 (69.57%) | 5 (12.82%) | |
| Serum inflammatory and fibrinolytic markers | |||
| CRP (mg/L) | 45.71 ± 54.50 | 3.57 ± 4.62 | <.05 |
| ESR (mm/h) | 57.59 ± 27.97 | 14.59 ± 10.33 | <.001 |
| D-dimer (mg/L) | 1.72 ± 1.22 | 1.06 ± 1.23 | <.001 |
| K (min) | 1.26 ± 0.77 | 1.56 ± 0.41 | <.001 |
| Angle(°) | 72.56 ± 7.38 | 67.80 ± 6.13 | <.001 |
| MA (mm) | 71.23 ± 5.62 | 62.83 ± 4.03 | <.001 |
| A30(mm) | 70.85 ± 5.79 | 62.36 ± 4.16 | <.001 |
| TPI(/sec) | 126.28 ± 54.46 | 60.30 ± 26.24 | <.001 |
BMI body mass index, SD standard deviation, CRP C-reactive protein, ESR erythrocyte sedimentation rate, K clotting time, Angle α-angle, MA maximum amplitude, A30 amplitude at 30 min, TPI thrombodynamic potential index
a The values are expressed as the mean ± SD
b The values are expressed as the numbers of patients, with the percentage in parentheses