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Table 3 Relationship between GGT and the incident NAFLD in different models

From: Elevated gamma-glutamyl transferase has a non-linear association with incident non-alcoholic fatty liver disease in the non-obese Chinese population: a secondary retrospective study

Variable Crude model
(HR, 95%CI, P)
Model I
(HR, 95% CI, P)
Model II
(HR, 95% CI, P)
GAM
(HR, 95% CI, P)
GGT 1.020 (1.018–1.022)<0.001 1.013 (1.011, 1.015) <0.001 1.010 (1.007, 1.012)<0.001 1.004 (1.002, 1.007) <0.001
GGT (quartile)
 Q1 Ref Ref Ref Ref
 Q2 2.176 (1.717, 2.757)<0.001 1.809 (1.427, 2.293)<0.001 1.661 (1.308, 2.108)<0.001 1.402 (1.100, 1.785) <0.001
 Q3 5.066 (4.075, 6.298)<0.001 3.335 (2.678, 4.154)<0.001 2.888 (2.310, 3.609)<0.001 2.103 (1.671, 2.648) <0.001
 Q4 8.202 (6.625, 10.156)<0.001 4.548 (3.661, 5.650)<0.001 3.653 (2.915, 4.579)<0.001 2.347 (1.853, 2.973)<0.001
P for trend < 0.001 < 0.001 < 0.001 < 0.001