Table 1.
Characteristics of the tumor and demographic data
| Demographic features | n (%) | COX-2 negative | COX-2 positive | P | ||
|---|---|---|---|---|---|---|
| Age | 60 years old and over | 87 (77.6%) | 12 | 75 | ||
| Below 60 years | 25 (22.4%) | 4 | 21 | 0.75 | ||
| Gender | Female | 46 (41.07%) | 8 | 38 | ||
| Male | 66 (58.93%) | 8 | 58 | 0.43 | ||
| Tumor localization | Caecum | 7 (6.25%) | 11 | 54 | ||
| Ascending colon | 17 (%15.18) | |||||
| Transverse colon | 4 (3.57%) | |||||
| Descending colon | 15 (13.39%) | |||||
| Sigmoid colon | 22 (19.64%) | |||||
| Rectum | 47 (41.96%) | 5 | 42 | 0.34 | ||
| Tumor type | Adenocarcinoma | 108 (96.43%) | ||||
| Signet ring | 2 (1.79%) | |||||
| Mucinous | 1 (0.89%) | |||||
| Melanoma | 1 (0.89%) | |||||
| Tumor stage | 0 | 0 (0.0%) | 0 | 0 | ||
| 1 | 26 (23.21%) | 5 | 21 | |||
| 2 | 41 (36.61%) | 7 | 34 | |||
| 3 | 33 (29.46%) | 4 | 29 | |||
| 4 | 12 (10.71%) | 0 | 12 | 0.41 | ||
| Tumor differentiation | Good | 23 (20.54%) | 3 | 20 | ||
| Moderate | 74 (66.07%) | 13 | 76 | |||
| Poor | 15 (13 39%) | 0.99 | ||||
| Tumor metastasis | No | 102 (91.07) | 16 | 86 | ||
| Yes | 17 (8.93) | 0 | 10 | 0.54 | ||
| Survival | 0–2 years | 39 (34.84%) | 2 | 37 | ||
| 2–5 years | 17 (15.18%) | 1 | 16 | |||
| Still alive | 56 (50.005) | 13 | 43 | 0.026 | ||