Table 1.
Characteristics of study participants.
| Characteristics | Mean (SD) Median (Q1-Q3)a |
|---|---|
| Age, years | 69.04 (11.02) 68.00 (60.00–77.00) |
| BMI, kg/m2 | 22.96 (3.35) 23.13 (20.70–25.10) |
| TC, mmol/L | 4.35 (0.89) 4.34 (3.71–4.92) |
| HDL, mmol/L | 1.33 (0.29) 1.30 (1.14–1.50) |
| Calcium, mmol/L | 2.22 (0.12) 2.22 (2.14–2.31) |
| Platelet count, ×109/L | 177.12 (61.18) 169.00 (137.00–205.00) |
| β-CTX, ng/mL | 0.53 (0.28) 0.48 (0.33–0.69) |
| P1NP, ug/L | 57.72 (30.72) 51.00 (38.00–69.00) |
| SIRI | 2.40 (2.18) 1.73 (0.98–2.98) |
| N (%) | |
| Sex, N (%) | |
| female | 486 (66.39%) |
| male | 246 (33.61%) |
| Smoke, N (%) | |
| No | 684 (93.44%) |
| Yes | 48 (6.56%) |
| Drink, N (%) | |
| No | 704 (96.17%) |
| Yes | 28 (3.83%) |
| Hypertension, N (%) | |
| No | 642 (87.70%) |
| Yes | 90 (12.30%) |
| Diabetes, N (%) | |
| No | 702 (95.90%) |
| Yes | 30 (4.10%) |
| Age, years, N (%) | |
| >50, ≤70 | 420 (57.38%) |
| >70 | 312 (42.62%) |
| CCI, N (%) | |
| 0 | 655 (89.48%) |
| 1 | 58 (7.92%) |
| ≥2 | 19 (2.60%) |
| BMI, kg/m2, N (%) | |
| ≤18.5 | 73 (9.97%) |
| >18.5, ≤23.9 | 362 (49.45%) |
| >23.9, ≤28.0 | 255 (34.84%) |
| >28 | 42 (5.74%) |
aFor continuous variables.SD, standard deviation; Q1, first quartile; Q3, third quartile; CI, confidence interval; BMI, body mass index; TC, total cholesterol; HDL, high-density lipoprotein; β-CTX, beta-C-terminal telopeptide of type I collagen; P1NP, procollagen type I N-terminal propeptide; SIRI, systemic inflammatory response index; CCI, Charlson comorbidity index.