Table 2.
Relationships between different CDK5 and PP2A protein expression status in gastric cancer tissues and various clinicopathological variables
| Variables | Total | CDK5 and PP2A low | CDK5 and/ or PP2A high | χ2 | P |
|---|---|---|---|---|---|
| Gender | |||||
| Male | 97 | 62 | 35 | 1.833 | 0.176 |
| Female | 27 | 21 | 6 | ||
| Age (years) | |||||
| >60 | 85 | 56 | 29 | 0.135 | 0.713 |
| ≤60 | 39 | 27 | 12 | ||
| Tumor size (cm) | |||||
| >5 | 46 | 30 | 16 | 0.215 | 0.643 |
| ≤5 | 77 | 47 | 30 | ||
| Tumor location | |||||
| Lower 1/3 | 53 | 34 | 19 | 0.787 | 0.853 |
| Middle 1/3 | 18 | 13 | 5 | ||
| Upper 1/3 | 41 | 27 | 14 | ||
| More than 1/3 | 12 | 9 | 3 | ||
| Bormann type | |||||
| I+II type | 25 | 19 | 6 | 1.163 | 0.281 |
| III+IV type | 99 | 64 | 35 | ||
| Degree of differentiation | |||||
| Well/moderate | 48 | 28 | 20 | 2.618 | 0.106 |
| Poor and not | 76 | 55 | 21 | ||
| Histological type | |||||
| Papillary | 58 | 40 | 18 | 1.999 | 0.573 |
| Tubular | 36 | 22 | 14 | ||
| Mucinous | 9 | 5 | 4 | ||
| Signet-ring cell | 21 | 16 | 5 | ||
| Depth of invasion | |||||
| T1+ T2 | 19 | 12 | 7 | 0.145 | 0.704 |
| T3+ T4 | 104 | 71 | 34 | ||
| Lymph node metastasis | |||||
| Negative | 18 | 7 | 11 | 7.484 | 0.006 |
| Positive | 106 | 76 | 30 | ||
| TNM stage | |||||
| Ⅰ+Ⅱ | 38 | 19 | 19 | 7.100 | 0.008 |
| Ⅲ+Ⅳ | 86 | 64 | 22 | ||
| Vessel invasion | |||||
| Negative | 78 | 53 | 25 | 0.098 | 0.755 |
| Positive | 46 | 30 | 16 | ||