Table 1: Distribution of demographic and clinical-pathological characteristics of subjects evaluated for H. pylori infection.

VariablesH. pylori statusTotal value
NegativePositive

(%)1554 (64.6)852 (35.4)2406
Age (years)
≤1969 (4.4)22 (2.6)91<0.0011
20–29184 (11.9)95 (11.1)279
30–39248 (16.0)166 (19.5)414
40–49305 (19.6)203 (23.9)508
50–59334 (21.5)187 (21.9)521
>60414 (26.6)179 (21.0)593
Mean ± SD48 ± 1747 ± 150.062
Range9–9510–88
Gender
Female1058 (68.1)560 (65.7)16180.26
Male496 (31.9)292 (34.3)788
Residence
Rural109 (7.3)65 (8.0)1740.59
Urban1388 (92.7)748 (92.0)2136
Tobacco smoking
Yes130 (37.3)86 (36.6)2160.93
No219 (62.7)149 (63.4)368
Alcoholism
Yes78 (25.8)59 (29.1)1370.47
No224 (74.2)144 (70.9)368
Endoscopic diagnosis
Normal stomach39 (2.5)15 (1.8)540.84
Endoscopic lesion1515 (97.5)837 (98.2)2352
Eradication therapy
Yes196 (80.0)196
No49 (20.0)49
After therapy
Eradicated127 (83.5)127
Not eradicated25 (16.5)25

 = sample number (subjects without information in the medical records were excluded from the analysis). 1chi-square test used to compare age categories. 2t test used to compare means of age.