Table 3.

Association of H. pylori seroprevalence by CagA status with blood micronutrient levels

H. pylori − (n = 66) mean level (SE)aH. pylori +, CagA− (n = 109) mean level (SE)aH. pylori +, CagA+ (n = 135) mean level (SE)aDifference between H. pylori − and H. pylori +, CagA−Difference between H. pylori − and H. pylori +, CagA+Difference between H. pylori +, CagA− and H. pylori +, CagA+
P valuebPercent decreaseP valuebPercent decreaseP valuebPercent decrease
Total carotenoids, μg/dL71.82 (1.06)68.83 (1.04)59.61 (1.04)0.564.2%0.0117.0%0.0213.4%
α-carotene, μg/dL2.21 (1.11)2.07 (1.08)1.80 (1.08)0.626.3%0.1318.5%0.2113.0%
β-carotene, μg/dL12.03 (1.12)9.99 (1.08)7.35 (1.08)0.1616.9%0.000438.9%0.00726.4%
Lycopene, μg/dL29.67 (1.08)29.01 (1.06)24.50 (1.06)0.822.3%0.0617.5%0.0415.6%
Lutein and zeaxanthin, μg/dL15.40 (1.06)15.56 (1.05)14.82 (1.04)0.89−1.0%0.623.7%0.444.7%
β-cryptoxanthin, μg/dL6.70 (1.09)6.05 (1.07)5.78 (1.06)0.349.7%0.1813.8%0.604.6%
Retinol, μg/dL43.15 (1.04)39.65 (1.03)38.11 (1.03)0.088.1%0.0111.7%0.333.9%
α-tocopherol, mg/dL1.17 (1.06)1.17 (1.04)1.07 (1.04)0.99−0.1%0.188.7%0.108.8%
Folate, ng/mL14.34 (1.08)11.74 (1.06)11.60 (1.06)0.0418.1%0.0319.1%0.891.2%
  • aAdjusted for age, race, sex, BMI, education, smoking, use of vitamin supplements, and total energy intake.

  • bFor absolute difference.