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Table 2 The relationship between the clinicopathological factors and the preoperative/preoperative PNI in the exploratory study

From: The prognostic significance of the postoperative prognostic nutritional index in patients with colorectal cancer

  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
  1. CI confidence interval, CEA carcinoembryonic antigen, CA19-9 carbohydrate antigen 19–9, PNI prognostic nutritional index