Table 1.
Comparison of clinicopathologic features between patients with different types of serosa
| Normal type | Reactive type | Nodular type | Colloid type | Statistics | P | |
|---|---|---|---|---|---|---|
| Sex | ||||||
| Male | 27 | 42 | 35 | 25 | χ2 = 3.068 | 0.381 |
| Female | 15 | 20 | 30 | 19 | ||
| Age (yrs) | 57.81±10.77 | 62.40±11.26 | 60.12±11.02 | 59.73±12.49 | F = 1.350 | 0.259 |
| Tumor size (cm) | 3.64±1.41 | 4.65±1.66 | 5.05±1.69 | 6.02±2.72 | F = 11.787 | 0.000 |
| Tumor site | ||||||
| Colon | 19 | 21 | 31 | 26 | χ2 = 6.785 | 0.079 |
| Rectum | 23 | 41 | 34 | 18 | ||
| Tumor gross type | ||||||
| Protruded | 26 | 8 | 15 | 3 | χ2 = 76.599 | 0.000 |
| Ulceration | 16 | 54 | 30 | 30 | ||
| Infiltrative | 0 | 0 | 20 | 11 | ||
| Histological type | ||||||
| Non-MUC | 36 | 55 | 53 | 9 | χ2 = 73.156 | 0.000 |
| MUC | 6 | 7 | 12 | 35 | ||
| Histological grade | ||||||
| Well | 24 | 10 | 10 | 2 | χ2 = 71.556 | 0.000 |
| Moderately | 16 | 52 | 49 | 27 | ||
| Poorly | 2 | 0 | 6 | 15 | ||
| Tumor necrosis | ||||||
| Yes | 6 | 43 | 38 | 18 | χ2 = 33.999 | 0.000 |
| No | 36 | 19 | 27 | 26 | ||
| UICC T stage | ||||||
| T1/T2 | 26 | 5 | 0 | 0 | χ2 = 116.158 | 0.000 |
| T3 | 16 | 47 | 38 | 22 | ||
| T4 | 0 | 10 | 27 | 22 | ||
| Number of nodes retrieved | 20.00±17.10 | 19.58±8.56 | 22.26±8.56 | 24.64±10.61 | F = 2.127 | 0.098 |
| Number of nodes metastasis | 1.62±4.10 | 2.16±4.08 | 5.86±6.94 | 9.18±10.12 | χ2 = 42.420* | 0.000 |
| LNM ratio (%) | 8.15±19.06 | 12.05±21.05 | 24.74±27.91 | 37.31±33.90 | χ2 = 38.163* | 0.000 |
| UICC N stage | ||||||
| N0 | 32 | 35 | 23 | 8 | χ2 = 47.222 | 0.000 |
| N1 | 6 | 18 | 11 | 12 | ||
| N2 | 4 | 9 | 31 | 24 | ||
| UICC M stage | ||||||
| M0 | 42 | 53 | 52 | 31 | χ2 = 14.537 | 0.002 |
| M1 | 0 | 9 | 13 | 13 | ||
| Peritoneal metastasis | ||||||
| Yes | 0 | 0 | 3 | 10 | χ2 = 28.229 | 0.000 |
| No | 42 | 62 | 62 | 34 |
*
Kruskal-Wallis test of mean ± SD.
MUC: Mucinous adenocarcinoma; LNM: Lymph node metastasis.