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Table 2 Insulin resistance of subjects categorized by body mass index

From: Low-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratio is the best surrogate marker for insulin resistance in non-obese Japanese adults

  Total Non-obese Overweight  
Body mass index Characteristics All N = 1,393 <25.0 kg/m2 N = 1,042 ≥25.0 kg/m2 N = 351 P -value*
Fasting blood glucose (mg/dL) 92 (87-99) 91 (86-98) 95 (89-103) <0.001
Immunoreactive insulin (mU/mL) 5.1 (3.4-7.6) 4.5 (3.0-6.5) 8.0 (5.3-11.2) <0.001
HOMA-IR§ 1.19 (0.75-1.83) 1.02 (0.65-1.52) 1.91 (1.23-2.81) <0.001
HOMA-IR§ ≤ 1.6, % 68.1 77.9 39.0  
HOMA-IR§ > 1.6 and ≤2.5, % 19.8 16.1 30.8 <0.001
HOMA-IR§ > 2.5, % 12.1 6.0 30.2 <0.001
  1. HOMA-IR, homeostasis of minimal assessment of insulin resistance. Data for fasting blood glucose, fasting insulin, and HOMA-IR were skewed, and are presented as median (interquartile range). §HOMA-IR was calculated using the following formula; {fasting blood glucose (FBG) (mg/dL) X fasting Immunoreactive insulin (mU/mL)}/405. Data for fasting blood glucose, fasting insulin, and HOMA-IR were log-transformed for analysis. *Student's t test or χ2 test.