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. 2015 May 28;2015:203284. doi: 10.1155/2015/203284

Table 1.

Serum levels of IGFBP-2 by case-control status and levels of other variables.

N Mean serum IGFBP-2 (IQR) in cases N Mean serum IGFBP-2 (IQR) in controls
All subjects 275 211.4 (147.9–315.7) 275 225.0 (149.7–347.9)
BMI
 Normal (<25 kg/m2) 90 315.5 (193.1–427.6) 79 320.5 (187.9–433.0)
 Overweight/obese (≥25 kg/m2) 184 176.7 (135.3–257.4) 195 198.6 (137.4–297.3)
p difference < 0.001 p difference < 0.001
HT Use
 Nonusers of HT 139 244.7 (147.1–341.0) 160 241.5 (174.8–376.4)
 Unopposed estrogen 62 191.9 (143.7–315.4) 59 158.3 (127.0–311.4)
 Progestin + estrogen 74 187.4 (148.8–262.9) 56 191.9 (140.9–296.7)
p difference = 0.04 p difference = 0.004
History of diabetes
 No 259 219.6 (148.5–317.3) 258 229.8 (152.9–360.1)
 Yes 16 185.0 (124.8–273.1) 17 157.7 (139.6–193.1)
p difference = 0.33 p difference = 0.01
Age at baseline
 <Median (62 yrs) 140 189.5 (136.5–284.1) 137 187.9 (136.8–281.7)
 ≥Median (62 yrs) 135 246.3 (153.0–339.6) 138 277.9 (180.4–400.0)
p difference = 0.01 p difference < 0.001
Race
 White 238 219.9 (149.5–328.5) 238 232.0 (154.7–362.8)
 Black 22 145.6 (110.2–264.7) 22 181.1 (126.7–246.5)
 Other 15 235.7 (153.0–283.5) 15 187.6 (145.8–347.9)
p difference = 0.08 p difference = 0.05
Smoking status
 Never 134 214.8 (150.1–338.7) 149 235.8 (156.5–364.4)
 Ever 141 211.4 (144.0–309.5) 126 205.0 (147.4–311.4)
p difference = 0.40 p difference = 0.24