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Table 1 Baseline characteristics of subjects according to the LDL:HDL ratio quartiles

From: Association of LDL:HDL ratio with prediabetes risk: a longitudinal observational study based on Chinese adults

  LDL:HDL ratio quartiles  
Q1 (0.01–1.61) Q2 (1.61–1.95) Q3 (1.96–2.41) Q4 (2.41–19.11) P-value
No. of subjects 25,077 25,075 25,069 25,088  
Sex      < 0.001
 Men 8843 (35.26%) 11,561 (46.11%) 14,463 (57.69%) 17,263 (68.81%)  
 Women 16,234 (64.74%) 13,514 (53.89%) 10,606 (42.31%) 7825 (31.19%)  
Age, years 36.00 (32.00–45.00) 39.00 (33.00–49.00) 41.00 (34.00–52.00) 44.00 (35.00–56.00) < 0.001
Height, cm 164.64 (7.82) 165.54 (8.26) 166.74 (8.38) 168.02 (8.33) < 0.001
Weight, kg 58.78 (10.30) 62.42 (11.13) 65.84 (11.57) 69.50 (11.86) < 0.001
BMI, kg/m2 21.60 (2.87) 22.69 (3.07) 23.58 (3.09) 24.52 (3.09) < 0.001
SBP, mmHg 114.01 (15.04) 116.88 (15.78) 119.60 (16.17) 121.81 (16.24) < 0.001
DBP, mmHg 71.00 (10.14) 72.85 (10.55) 74.63 (10.71) 76.55 (10.86) < 0.001
FPG, mmol/L 4.76 (4.42–5.06) 4.86 (4.52–5.14) 4.88 (4.53–5.17) 4.88 (4.52–5.20) < 0.001
TC, mmol/L 4.23 (0.71) 4.53 (0.71) 4.84 (0.76) 5.39 (0.89) < 0.001
TG, mmol/L 0.76 (0.58–1.04) 0.93 (0.70–1.30) 1.18 (0.85–1.64) 1.54 (1.11–2.14) < 0.001
HDL-C, mmol/L 1.62 (0.30) 1.44 (0.24) 1.33 (0.23) 1.14 (0.22) < 0.001
LDL-C, mmol/L 2.19 (0.44) 2.57 (0.43) 2.86 (0.49) 3.36 (0.66) < 0.001
ALT, U/L 14.50 (11.00–20.60) 16.00 (12.00–23.90) 18.90 (13.60–28.00) 22.50 (15.90–34.00) < 0.001
AST, U/L 20.30 (17.40–24.10) 21.00 (18.00–25.20) 22.00 (19.00–27.00) 23.10 (19.90–28.00) < 0.001
BUN, mmol/L 4.44 (1.13) 4.63 (1.15) 4.70 (1.16) 4.77 (1.16) < 0.001
Cr, umol/L 64.92 (14.94) 68.81 (15.29) 72.01 (15.65) 73.89 (15.49) < 0.001
Family history of diabetes
  546 (2.18%) 572 (2.28%) 532 (2.12%) 558 (2.22%) 0.659
Smoking status      < 0.001
 No 717 (2.86%) 1000 (3.99%) 1423 (5.68%) 2209 (8.81%)  
 Past 177 (0.71%) 215 (0.86%) 303 (1.21%) 395 (1.57%)  
 Current 5858 (23.36%) 5097 (20.33%) 5021 (20.03%) 5223 (20.82%)  
 Not recorded 18,325 (73.07%) 18,763 (74.83%) 18,322 (73.09%) 17,261 (68.80%)  
Drinking status      < 0.001
 No 142 (0.57%) 141 (0.56%) 152 (0.61%) 204 (0.81%)  
 Past 878 (3.50%) 1038 (4.14%) 1286 (5.13%) 1346 (5.37%)  
 Current 5732 (22.86%) 5133 (20.47%) 5309 (21.18%) 6277 (25.02%)  
 Not recorded 18,325 (73.07%) 18,763 (74.83%) 18,322 (73.09%) 17,261 (68.80%)  
  1. Abbreviations: BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, FPG fasting plasma glucose, TG triglyceride, TC total cholesterol, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, ALT alanine aminotransferase, AST aspartate aminotransferase, BUN blood urea nitrogen, Cr creatinine, LDL:HDL ratio low-density lipoprotein:high-density lipoprotein cholesterol ratio