Table 1 Demographic characteristics of enrolled patients
Group A (n = 354) | Group B (n = 169) | P value | |
|---|---|---|---|
Age, mean ± SD (years) | 48.5 ± 13.2 | 47.5 ± 12.7 | 0.487 |
Sex, n | 1.000 | ||
Male | 201 | 96 | |
Female | 153 | 73 | |
Indication | 0.338 | ||
No obvious symptom | 68 | 37 | |
Screening | 64 | 33 | |
H. plori infection | 3 | 4 | |
Increased serum tumor marker | 1 | 0 | |
Acid regurgitation | 22 | 6 | |
Dyspepsia | 182 | 79 | |
Abdominal pain or discomfort | 62 | 40 | |
Vomit | 1 | 0 | |
Constipation | 0 | 1 | |
Dysphagia | 1 | 0 | |
Gastrointestinal bleeding | 10 | 4 | |
Distention | 8 | 2 |