Table 3 Demographic data in our studied patients
|  | Study group (N = 51) | Control Group (N = 48) | P |
|---|---|---|---|
Sex | Â | Â | Â |
 Male/Female | 29/22 | 27/21 | 0.960 |
Age (years) | 61.55 ± 9.78 | 62.85 ± 10.12 | 0.530 |
Body weights (kg) | 59.82 ± 11.04 | 61.55 ± 10.95 | 0.415 |
BMI (kg/m2) | 23.45 ± 3.44 | 23.91 ± 3.79 | 0.501 |
Tumor staging – Gastric cancer |  |  | Total |
 N | 14 | 12 | 26 |
 UICC Stage I | 4 (28.6%) | 1 (8.3%) | 5 (19.2%) |
 Stage II | 3 (21.4%) | 4 (33.3%) | 7 (26.9%) |
 Stage III | 4 (28.6%) | 2 (16.7%) | 6 (23.1%) |
 Stage IV | 3 (21.4%) | 5 (41.7%) | 8 (30.8%) |
Tumor staging – Colorectal cancer |  |  |  |
 N | 36 | 37 | 73 |
 UICC Stage I | 3 (8.3%) | 3 (8.1%) | 6 (8.2%) |
 Stage II | 15 (41.7%) | 12 (32.4%) | 27 (37.0%) |
 Stage III | 14 (38.9%) | 15 (40.5%) | 29 (39.7%) |
 Stage IV | 4 (11.1%) | 7 (18.9%) | 11 (15.1%) |