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Table 1 Characteristics of participants according to the quintiles of SUA

From: Joint associations of serum uric acid and ALT with NAFLD in elderly men and women: a Chinese cross-sectional study

Variables Total population SUA quintiles (For men) P
Men (n = 3126) Women (n = 4443) P Q1 (n = 603) Q2 (n = 646) Q3 (n = 617) Q4 (n = 629) Q5 (n = 631)
Age (years) 59.35 ± 9.38 60.19 ± 9.82 < 0.001 59.29 ± 8.68 58.62 ± 9.38 58.42 ± 8.73 59.96 ± 9.91 60.47 ± 9.96 < 0.001
BMI (kg/m2) 23.86 ± 2.96 23.98 ± 3.21 0.090 22.80 ± 2.73 23.50 ± 2.84 24.00 ± 2.69 24.11 ± 3.03 24.85 ± 3.11 < 0.001
SBP (mmHg) 137.23 ± 19.28 141.75 ± 19.93 < 0.001 133.88 ± 19.05 136.15 ± 18.69 137.29 ± 18.98 138.72 ± 19.54 140.00 ± 19.64 < 0.001
DBP (mmHg) 86.56 ± 11.78 84.25 ± 11.66 < 0.001 83.91 ± 11.60 85.84 ± 11.58 86.86 ± 12.23 88.03 ± 12.10 88.10 ± 10.88 < 0.001
TG (mmol/L) 1.32 ± 1.11 1.32 ± 0.81 0.801 1.02 ± 0.66 1.13 ± 0.75 1.35 ± 1.06 1.35 ± 1.03 1.74 ± 1.63 < 0.001
TC (mmol/L) 4.74 ± 0.91 4.91 ± 0.90 < 0.001 4.62 ± 0.82 4.62 ± 0.82 4.78 ± 0.88 4.74 ± 0.90 4.92 ± 1.05 < 0.001
HDL-C (mmol/L) 1.47 ± 0.43 1.51 ± 0.37 < 0.001 1.57 ± 0.42 1.49 ± 0.40 1.45 ± 0.44 1.44 ± 0.46 1.38 ± 0.41 < 0.001
LDL-C (mmol/L) 2.61 ± 0.69 2.75 ± 0.70 < 0.001 2.51 ± 0.63 2.54 ± 0.65 2.66 ± 0.68 2.61 ± 0.70 2.72 ± 0.76 < 0.001
AST (U/L) 24.52 ± 10.99 23.09 ± 9.50 < 0.001 22.07 ± 7.16 23.62 ± 9.53 24.94 ± 10.75 24.84 ± 9.97 27.04 ± 15.23 < 0.001
ALT (U/L) 23.02 ± 15.68 19.99 ± 14.35 < 0.001 18.77 ± 9.76 21.24 ± 12.05 24.03 ± 16.14 24.39 ± 17.53 26.55 ± 19.58 < 0.001
FPG (mmol/L) 6.07 ± 1.32 6.01 ± 1.21 0.036 6.19 ± 1.76 6.04 ± 1.34 6.05 ± 1.24 6.01 ± 1.13 6.06 ± 1.01 0.140
SUA (μmol/L) 343.37 ± 77.58 270.46 ± 70.93 < 0.001 243.31 ± 27.53 298.70 ± 11.49 336.34 ± 10.45 376.99 ± 13.37 458.10 ± 52.17 < 0.001
Hyper-ALT, n (%) 256 (8.2) 240 (5.4) < 0.001 23 (3.8) 33 (5.1) 64 (10.4) 58 (9.2) 78 (12.4) < 0.001
NAFLD, n (%) 967 (30.93) 1262 (28.40) 0.017 98 (16.3) 147 (22.8) 197 (31.9) 221 (35.1) 304 (48.2) < 0.001
Mild-steatosis, n (%) 383 (12.25) 386 (8.69) < 0.001 43 (7.1) 77 (11.9) 80 (13.0) 88 (14.0) 95 (15.1) < 0.001
Severe-steatosis, n (%) 584 (18.68) 876 (19.72) < 0.001 55 (9.1) 70 (10.8) 117 (19.0) 133 (21.1) 209 (33.1) < 0.001
  1. Q1, < 278 μmol/L; Q2, 278–317 μmol/L; Q3, 318–355 μmol/L; Q4, 356–402 μmol/L; Q5, ≥ 403 μmol/L