Table 1. Baseline characteristics of the study subjects and tumour.
| Characteristic | BN | GC | HE |
|---|---|---|---|
| Number of patients | 40 | 43 | 40 |
| Mean age (s.d.), years | 63.1 (9.0) | 65.2 (12.0) | 63.2 (8.8) |
| Gender (male/female) | 19/21 | 28/15 | 23/17 |
| Mean BMI (s.d.), kg m−2 | 29.5 (6.4) | 27.6 (6.9) | 27.7 (4.7) |
|
Helicobacter pylori
status (on biopsy or urea breath test) | |||
| Positive/negative/unknown | 3/21/16 | 7/26/10 | — |
|
Benign condition | |||
| Gastritis only | 13 (32.5%) | — | — |
| Ulcer only | 4 (10.0%) | — | — |
| Gastritis and ulcer | 1 (2.5%) | — | — |
| Gastritis and portal hypertensive gastropathy (PHG) | 1 (2.5%) | — | — |
| PHG | 9 (22.5%) | — | — |
| Gastro-oesophageal reflux disease (GORD) | 3 (7.5%) | — | — |
| Varices | 1 (2.5%) | — | — |
| Polyps | 5 (12.5%) | — | — |
| Reactive gastropathy | 1 (2.5%) | — | — |
| Normal scope with GI symptoms | 2 (5.0%) | — | — |
|
Overall TNM stage | |||
| Ia/b | — | 3/3 | — |
| IIa/b | — | 8/3 | — |
| IIIa/b/c | — | 2/5/3 | — |
| IV | — | 14 | — |
| Unknown | — | 2 | — |
|
Tumour location | |||
| GE junction/cardia/fundus/body/antrum/pylorus | — | 6/1/4/15/16/1 | — |
|
Lauren histological class | |||
| Diffuse/intestinal/mixed/not specified | — | 15/16/3/9 | — |
|
Grade (differentiation) | |||
| Well/moderate/moderate to poor/poor/not reported | — | 3/8/5/29/3 | — |
| Resectable/not resectable | — | 28/15 | — |
| Neoadjuvant (yes/no) | — | 10/18 | — |
| Adjuvant (yes/no) | — | 18/10 | — |
Abbreviations: BMI=body mass index; BN, benign gastric disease; GC=gastric cancer; GE=gastro-oesophageal; GI=gastrointestinal; HE=healthy; TNM=tumour, node, metastasis.