Table 1.
The baseline characteristics of the participants.
| Variables | Mean (SD) / N (%) | Median (Min-Max)a |
|---|---|---|
| Age, years | 68.65 (11.32) | 68.00 (50.00-103.00) |
| BMI, kg/m2 | 23.02 (3.37) | 23.14 (13.52–33.20) |
| Na, mmol/L | 141.25 (2.75) | 141.50 (116.40-153.70) |
| Mg, mmol/L | 0.91 (0.09) | 0.91 (0.62–1.43) |
| K, mmol/L | 3.87 (0.43) | 3.86 (2.36–6.76) |
| P, mmol/L | 1.08 (0.19) | 1.08 (0.31–1.87) |
| Ca, mmol/L | 2.22 (0.12) | 2.22 (1.76–2.62) |
| Fibrinogen, g/L | 3.05 (0.81) | 2.96 (0.83–6.10) |
| HDL, mmol/L | 1.33 (0.29) | 1.30 (0.55–2.44) |
| LDL, mmol/L | 2.66 (0.74) | 2.60 (0.79–5.89) |
| Apo A, g/L | 1.23 (0.22) | 1.21 (0.61–1.95) |
| Homocysteine, µmol/L | 13.28 (6.98) | 11.47 (0.00-68.87) |
| ALT, U/L | 22.81 (16.35) | 19.00 (5.00-226.00) |
| AST, U/L | 25.81 (16.23) | 22.00 (8.00-266.00) |
| UA, umol/L | 280.72 (91.17) | 266.00 (83.00-780.00) |
| Cr, µmol/L | 63.22 (23.91) | 59.00 (10.00-395.00) |
| UN, mmol/L | 6.30 (5.38) | 5.80 (2.40-139.81) |
| Neutrophil, × 109/L | 5.64 (2.65) | 4.97 (1.10–17.20) |
| Monocyte, × 109/L | 0.45 (0.21) | 0.40 (0.00-1.85) |
| Lymphocyte, × 109/L | 1.26 (0.52) | 1.20 (0.30–3.90) |
| Platelet, × 109/L | 177.01 (61.40) | 169.00 (42.40–540.00) |
| β-CTX, ng/mL | 0.53 (0.28) | 0.48 (0.07–2.13) |
| P1NP, ng/mL | 58.15 (35.78) | 51.00 (11.00-565.00) |
| MLR | 0.41 (0.26) | 0.33 (0.00-2.50) |
| NLR | 5.64 (4.79) | 4.16 (0.77–47.19) |
| PLR | 161.30 (83.97) | 140.29 (32.86-717.59) |
| N (%) | ||
| Sex, N (%) | ||
| Female | 492 (66.49%) | |
| Male | 248 (33.51%) | |
| Smoking, N (%) | ||
| No | 688 (92.97%) | |
| Yes | 52 (7.03%) | |
| Drinking, N (%) | ||
| No | 709 (95.81%) | |
| Yes | 31 (4.19%) | |
| ASA, N (%) | ||
| 1 | 64 (8.65%) | |
| 2 | 513 (69.32%) | |
| ≥3 | 163 (22.03%) | |
SD, standard deviation; BMI, body mass index; NA, sodium; Mg, magnesium; K, potassium; P, phosphorus; Ca, calcium; HDL, high density lipoprotein; LDL, low density lipoprotein; Apo A, apolipoprotein A; ALT, alanine aminotransferase; AST, aspartate aminotransferase; UA, uric acid; CR, creatinine; UN, urea nitrogen; β-CTX, β-C-terminal telopeptide of type I collagen; P1NP, procollagen type 1 N-terminal propeptide; MLR, monocyte-to-lymphocyte ratio; NLR, neutrophil-to-lymphocyte ratio; PLR, plateletto-lymphocyte ratio; ASA, the score of american society of anesthesiologists.
aFor continuous variables.