Table 1.
Baseline characteristics of the participants according to gender.
| Parameter | Male (n = 20) |
Female (n = 82) |
Total (n = 102) |
|---|---|---|---|
| Age (years) | 53.72 ± 13.39 | 49.28 ± 10.29 | 50.09 ± 10.98 |
| Height (cm) | 169.12a ± 8.04 | 156.96b ± 7.65 | 159.22 ± 9.03 |
| Weight (kg) | 83.7a ± 14.12 | 74.49b ± 15.45 | 76.25 ± 15.56 |
| BMI (kg/m2) | 29.35 ± 4.18 | 30.31 ± 6.69 | 30.13 ± 6.29 |
| WBC (×1000/μL) | 7.7 ± 2.5 | 7.16 ± 2.5 | 7.26 ± 2.5 |
| Hb (g/dL) | 12.79 ± 1.89 | 11.66 ± 1.46 | 11.87 ± 1.6 |
| PLT (×1000/μL) | 276.79 ± 74.07 | 319.07 ± 98.95 | 311.04 ± 95.85 |
| Vit.D (ng/mL) | 17.46 ± 6.79 | 19.02 ± 8.7 | 18.73 ± 8.37 |
| Ca (mmol/L) | 2.32 ± 0.11 | 2.35 ± 0.85 | 2.35 ± 0.77 |
| Phos (mmol/L) | 1.31 ± 0.35 | 1.22 ± 0.32 | 1.23 ± 0.32 |
| ALP (U/L) | 124.12 ± 86.82 | 108.46 ± 66.84 | 111.55 ± 70.9 |
| ESR (mm/hr) | 48.27 ± 28.69 | 52.84 ± 23.1 | 52.02 ± 24.1 |
| DAS28-ESR | 3.72 ± 0.64 | 3.8 ± 0.92 | 3.79 ± 0.87 |
BMI: body mass index (18–25 kg/m2); WBC: white blood cells (4.5–11.0 ×1000/μL); Hb: hemoglobin (12.0–16.0 g/dL); PLT: platelets (130–400 ×1000/μL); Vit.D: vitamin D (sufficient >30 ng/mL), Ca: calcium (2.12–2.52 mmol/L); Phos: phosphorus (0.81–1.58 mmol/L); ALP: alkaline phosphatase (50–136 U/L); ESR: erythrocyte sedimentation rate (0–20 mm/hr); DAS28-ESR: disease activity score in 28 joints using erythrocyte sedimentation rate.
Letters with different superscripts in the same row are significantly (P < 0.05) different by t-test.