Group A (193)
Group B (193)
P value
Mean age (sd)
48.6 ± 13.6
51.4 ± 15.3
0.0582
Mean BMI (sd)
43.6 ± 9.2
23.6 ± 3.7
<0.0001
Smoking (%)
25 (12.9%)
31 (16.1%)
0.368
Alcohol (2-3 unit/die)
20 (10.4%)
18 (9.3%)
0.729
Coffee (2 cup/die)
49 (25.4%)
53 (27.5%)
0.646
Table 1:
Epidemiological characteristic of population in obese patients (Group A) and patients with GERD symptoms and normal BMI (Group B).