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Table 2 Mean comparison of HOMA-IR values among LDL-C/HDL-C, TG/HDL-C, and non-HDL-C/HDL-C ratio quartile groups

From: What is the most appropriate lipid profile ratio predictor for insulin resistance in each sex? A cross-sectional study in Korean populations (The Fifth Korea National Health and Nutrition Examination Survey)

(A) Men 1st Quartile 2nd Quartile 3rd Quartile 4th Quartile p-value
LDL-C/HDL-Ca N = 183 N = 210 N = 251 N = 285  
  Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I
 HOMA-IR 2.23 2.09 2.37 2.51 2.08 2.94 2.54 2.34 2.74 2.90 2.67 3.14 <0.0001
 Log (HOMA-IR) 0.72 0.66 0.79 0.78 0.69 0.87 0.83 0.77 0.90 0.95 0.89 1.02 <0.0001
TG/HDL-Cb N = 137 N = 200 N = 257 N = 335  
  Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I
 HOMA-IR 1.99 1.80 2.17 2.29 2.10 2.48 2.46 2.26 2.67 3.13 2.83 3.43 <0.0001
 Log (HOMA-IR) 0.63 0.56 0.70 0.74 0.68 0.81 0.80 0.73 0.86 1.02 0.97 1.08 <0.0001
Non-HDL-C/HDL-Cc N = 146 N = 204 N = 241 N = 338  
  Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I
 HOMA-IR 1.99 1.82 2.17 2.23 2.07 2.40 2.59 2.38 2.81 3.08 2.77 3.40 <0.0001
 Log (HOMA-IR) 0.62 0.55 0.69 0.73 0.67 0.79 0.85 0.78 0.91 1.00 0.94 1.07 <0.0001
(B) Women 1st Quartile 2nd Quartile 3rd Quartile 4th Quartile p-value
LDL-C/HDL-Cd N = 294 N = 268 N = 228 N = 191  
  Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I
 HOMA-IR 2.14 2.00 2.28 2.37 2.21 2.54 2.56 2.38 2.74 3.44 2.90 3.97 <0.0001
 Log (HOMA-IR) 0.69 0.63 0.75 0.78 0.72 0.84 0.86 0.79 0.92 1.06 0.97 1.15 <0.0001
TG/HDL-Ce N = 341 N = 277 N = 220 N = 143  
  Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I
 HOMA-IR 2.23 2.03 2.44 2.28 2.16 2.41 2.64 2.45 2.83 3.61 3.10 4.13 <0.0001
 Log (HOMA-IR) 0.70 0.65 0.76 0.75 0.70 0.81 0.87 0.80 0.94 1.16 1.07 1.25 <0.0001
non-HDL-C/HDL-Cf N = 332 N = 275 N = 233 N = 141  
  Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I Mean Lower C.I Upper C.I
 HOMA-IR 2.15 2.00 2.30 2.29 2.17 2.41 2.77 2.44 3.09 3.64 3.10 4.18 <0.0001
 Log (HOMA-IR) 0.69 0.63 0.75 0.76 0.71 0.81 0.89 0.82 0.96 1.16 1.06 1.26 <0.0001
  1. p-values were obtained via the SURVEYMEANS procedure
  2. LDL-C Low-density lipoprotein cholesterol, HDL-C High-density lipoprotein cholesterol, TG Triglyceride, HOMA-IR Homeostasis model assessment of insulin resistance, C.I. Confidence interval
  3. a1st quartile group (<1.64000), 2nd quartile group (1.64000–2.15895), 3rd quartile group (2.15895–2.78788), 4th quartile group (≥2.78788)
  4. b1st quartile group (<1.25581), 2nd quartile group (1.25581–2.04302), 3rd quartile group (2.04302–3.50000), 4th quartile group (≥3.50000)
  5. c1st quartile group (<174), 2nd quartile group (174–223), 3rd quartile group (223–291), 4th quartile group (≥291)
  6. d1st quartile group (<1.64000), 2nd quartile group (1.64000–2.15895), 3rd quartile group (2.15895–2.78788), 4th quartile group (≥2.78788)
  7. e1st quartile group (<1.25581), 2nd quartile group (1.25581–2.04302), 3rd quartile group (2.04302–3.50000), 4th quartile group (≥3.50000)
  8. f1st quartile group (<3.07042), 2nd quartile group (3.07042–4.28846), 3rd quartile group (4.28846–6.31818), 4th quartile group (≥6.31818)