Table 2 The relationship between the clinicopathological factors and the preoperative/preoperative PNI in the exploratory study
Preoperative PNI | Postoperative PNI | |||||
|---|---|---|---|---|---|---|
High | Low | p-value | High | Low | p-value | |
Gender | ||||||
Male | 10 | 9 | 14 | 6 | ||
Female | 3 | 7 | 0.433 | 9 | 3 | 1.000 |
Age (years) | ||||||
≤70 | 11 | 5 | 13 | 4 | ||
>70 | 2 | 11 | 0.008 | 10 | 5 | 0.699 |
Location of primary tumor | ||||||
Colon | 7 | 9 | 13 | 5 | ||
Rectum | 6 | 7 | 1.000 | 10 | 4 | 1.000 |
Tumor depth | ||||||
≤T3 | 9 | 6 | 12 | 4 | ||
T4 | 4 | 10 | 0.139 | 11 | 5 | 1.000 |
Histological type | ||||||
Well, Moderately | 10 | 14 | 20 | 7 | ||
Poorly, Mucinous | 3 | 2 | 0.632 | 3 | 2 | 0.604 |
The number of lymph node metastases | ||||||
0 | 8 | 6 | 14 | 3 | ||
1-3 | 3 | 6 | 6 | 3 | ||
≥4 | 2 | 4 | 0.436 | 3 | 3 | 0.292 |
Preoperative CEA (ng/ml) | ||||||
≤5 | 8 | 5 | 11 | 3 | ||
>5 | 4 | 10 | 0.128 | 10 | 6 | 0.440 |
Preoperative CA19-9 (U/ml) | ||||||
≤37 | 6 | 6 | 8 | 5 | ||
>37 | 1 | 4 | 0.338 | 5 | 1 | 0.605 |
The amount of blood lost (ml) | ||||||
≤250 | 9 | 5 | 12 | 4 | ||
>250 | 4 | 10 | 0.128 | 10 | 5 | 0.704 |
Length of operation (min) | ||||||
≤240 | 11 | 10 | 18 | 6 | ||
>240 | 2 | 5 | 0.396 | 4 | 3 | 0.384 |
Complication(s) | ||||||
No | 11 | 10 | 18 | 6 | ||
Yes | 2 | 6 | 0.238 | 5 | 3 | 0.654 |
Infectious complication(s) | ||||||
No | 12 | 14 | 21 | 8 | ||
Yes | 1 | 2 | 1.000 | 2 | 1 | 1.000 |
The number of hospitalization days (days) | ||||||
≤30 | 9 | 4 | 11 | 4 | ||
>30 | 4 | 12 | 0.027 | 12 | 5 | 1.000 |
The number of postoperative days before the initiation of dietary intake (days) | ||||||
≤4 | 10 | 9 | 16 | 5 | ||
>4 | 3 | 7 | 0.433 | 7 | 4 | 0.681 |
Adjuvant chemotherapy | ||||||
No | 5 | 9 | 10 | 5 | ||
Yes | 8 | 7 | 0.462 | 13 | 4 | 0.699 |