Table 5.

Comparison of mean HbA1c level of dyspeptic patients as regard Helicobacter pylori, BMI status and different combination of BMI and H. pylori status.

Variable	Mean HbA1c value (%)	t value	p value
H pylori status
H pylori + ve	7.483 ± 0.2133	2.395	0.0175*
H pylori −ve	6.669 ± 0.2410
BMI ≥ 25 kg/m2
Yes	8.016 ± 0.2356	5.795	< 0.0001*
Non	6.244 ± 0.1840
Combined H pylori and BMI status
H pylori –ve/BMI < 25 kg/m2 versus H pylori + ve/BMI ≥ 25 kg/m2
H pylori –ve/BMI < 25 kg/m2	5.805 ± 0.2156	5.444	< 0.0001*
H pylori + ve/BMI ≥ 25 kg/m2	8.177 ± 0.2881
H pylori –ve/BMI < 25 kg/m2 versus H pylori −ve/BMI ≥ 25 kg/m2
H pylori –ve/BMI < 25 kg/m2	5.805 ± 0.2156	4.190	< 0.0001*
H pylori −ve/BMI ≥ 25 kg/m2	7.625 ± 0.4015
H pylori –ve/BMI < 25 kg/m2 versus H pylori + ve/BMI < 25 kg/m2
H pylori –ve/BMI < 25 kg/m2	5.805 ± 0.2156	2.024	0.0459*
H pylori + ve/BMI < 25 kg/m2	6.550 ± 0.2677

Mean ± SD, SD: Standard deviation, + ve: positive, –ve: negative, BMI: Body mass index, *significant. Comparison using Unpaired t-test. As combination of variable is concerned, HbA1c mean value of H pylori –ve/BMI < 25 kg/m² group was taken as reference.