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Retrospective Cohort Study
©The Author(s) 2025.
World J Gastroenterol. Oct 28, 2025; 31(40): 110932
Published online Oct 28, 2025. doi: 10.3748/wjg.v31.i40.110932
Table 1 Baseline characteristics grouped by gamma-glutamyl transferase level, mean ± SD/n (%)/median (interquartile range)

Serum GGT level
P value
Q1 (n = 678027)
Q2 (n = 631006)
Q3 (n = 683678)
Q4 (n = 662954)
Age, years53.99 ± 11.0454.34 ± 10.5754.54 ± 10.354.3 ± 9.92< 0.0001
Sex (male)330522 (48.75)326287 (51.71)335805 (49.12)336263 (50.72)< 0.0001
Height, cm161.72 ± 8.57161.94 ± 8.75161.46 ± 8.94161.51 ± 9.02< 0.0001
Weight, kg60.08 ± 9.4462.32 ± 10.2663.76 ± 10.865.23 ± 11.11< 0.0001
BMI, kg/m222.91 ± 2.6823.68 ± 2.8524.37 ± 3.0124.93 ± 3.2< 0.0001
Waist circumference, cm78.19 ± 7.9680.51 ± 8.3282.23 ± 8.4783.94 ± 8.51< 0.0001
Systolic BP, mmHg120.82 ± 15.02123.24 ± 15.11125.23 ± 15.35127.69 ± 15.79< 0.0001
Diastolic BP, mmHg74.9 ± 9.8776.57 ± 9.9577.85 ± 10.1279.49 ± 10.45< 0.0001
Income,
lowest quartile
139230 (20.53)126443 (20.04)137994 (20.18)135313 (20.41)< 0.0001
Smoking< 0.0001
Non-smoker466617 (68.82)404113 (64.04)431045 (63.05)388541 (58.61)
Ex-smoker104231 (15.37)104399 (16.54)105572 (15.44)97486 (14.7)
Current107179 (15.81)122494 (19.41)147061 (21.51)176927 (26.69)
Alcohol consumption< 0.0001
Non469136 (69.19)386982 (61.33)385451 (56.38)315205 (47.55)
Mild192284 (28.36)214338 (33.97)244884 (35.82)243625 (36.75)
Heavy16607 (2.45)29686 (4.7)53343 (7.8)104124 (15.71)
Regular exercise141972 (20.94)129964 (20.6)135520 (19.82)123807 (18.68)< 0.0001
Diabetes mellitus47748 (7.04)57860 (9.17)82847 (12.12)116527 (17.58)< 0.0001
Hypertension159803 (23.57)187639 (29.74)245357 (35.89)284908 (42.98)< 0.0001
Dyslipidemia85023 (12.54)117879 (18.68)168725 (24.68)204262 (30.81)< 0.0001
CKD50370 (7.43)50632 (8.02)59473 (8.7)57527 (8.68)< 0.0001
Fasting glucose, mg/dL95.22 ± 19.8297.76 ± 22.77100.74 ± 25.96106.23 ± 31.61< 0.0001
Estimated glomerular filtration rate, mL/minute/1.73 m285.84 ± 36.484.49 ± 38.1484.33 ± 39.1984.99 ± 37.51< 0.0001
Total cholesterol, mg/dL189.41 ± 33.53197.61 ± 35.16202.83 ± 37.04206.82 ± 40.37< 0.0001
HDL-C, mg/dL56.11 ± 29.5255.6 ± 29.2755.45 ± 30.0156.03 ± 29.36< 0.0001
LDL-C, mg/dL113.67 ± 35.48118.38 ± 37.06119.97 ± 39.03116.79 ± 42.7< 0.0001
Triglyceride1, mg/dL93.37 (93.26-93.48)109.43 (109.29-109.57)125.29 (125.13-125.45)150.01 (149.81-150.22)< 0.0001
AST1, IU/L20.97 (20.95-20.98)22.31 (22.29-22.33)24 (23.98-24.02)29.95 (29.92-29.98)< 0.0001
ALT1, IU/L16.51 (16.5-16.53)19.25 (19.23-19.27)22.47 (22.44-22.49)30.91 (30.87-30.95)< 0.0001


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