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. 2016 Jan 18;6(1):e009987. doi: 10.1136/bmjopen-2015-009987

Table 1.

Characteristics of the participant groups and differences between Helicobacter pylori positive and negative patients

H. pylori negative H. pylori positive p Value*
Patients, n (%) 85 (42.7) 114 (57.3)
Age in years, mean (SD) 48.6 (14.0) 57.0 (13.3) <0.001
Male, n (%) 36 (42.4) 46 (40.4) 0.884
Smokers, n (%) 15 (17.6) 35 (30.7) 0.047
On dyspepsia medication, n (%) 12 (14.3) 42 (36.8) 0.001
IL-6 -174 genotype, n (%)
 GG 21 (24.7) 27 (23.7) 0.410
 GC 35 (41.2) 57 (50.0)
 CC 29 (34.1) 30 (26.3)
Serum total cholesterol mmol/L, mean (SD) 5.56 (1.09) 5.48 (1.23) 0.596
Serum HDL mmol/L, median (IQR) 0.95 (0.40) 0.81 (0.29) <0.001
Serum LDL mmol/L, mean (SD) 4.08 (1.00) 3.94 (0.93) 0.309
Serum triglycerides mmol/L, median (IQR) 1.11 (0.70) 1.14 (0.66) 0.673

*Student's t test for age, total cholesterol and LDL, χ2 for sex, smoking status and genotypes, Mann-Whitney U for HDL and triglycerides.

HDL, high-density lipoprotein; IL-6, interleukin 6; LDL, low-density lipoprotein.