Research Article

Elevated Serum Gamma-Glutamyltransferase Is a Strong Marker of Insulin Resistance in Obese Children

Table 3

Partial correlation of serum GGT, ALT, and AST with other variables and anthropometric variables in girls.

GGTALTASTHOMA-IR

BMI0.3030*0.3395*0.1559*0.3471*
Waist circumference0.2814*0.3125*0.1675*0.3225*
BF%0.1920*0.1957*0.1251*0.1378*
Total cholesterol0.3001*0.1989*0.2580*0.0755
Triglycerides0.3312*0.2576*0.2723*0.1154*
HDL-cholesterol−0.1256*−0.1324*−0.0664−0.0345
Fasting glucose0.1968*0.1009*0.08060.3393*
Fasting insulin0.2750*0.2541*0.08040.9876*
HOMA-IR0.2915*0.2577*0.0893
CRP0.3392*0.2118*0.2153*0.1326*
Systolic blood pressure0.1870*0.1954*0.1062*0.1563*
Diastolic blood pressure0.1550*0.1122*0.04390.1688*
GGT0.7432*0.6642*0.2915*

value < 0.05 by Spearman’s partial correlation adjusted for age. GGT, ALT, AST, Fasting insulin, HOMA-IR, and CRP were log-transformed.
BMI: body mass index; BF%, body fat percent; CRP: C-reactive protein; HDL: high density lipoprotein; AST: aspartate transaminase; ALT: alanine transaminase; GGT: gamma-glutamyltransferase; HOMA-IR: homeostasis model assessment of insulin resistance.