| Total patients (n = 449) | Severe Complication (n = 33) | No or mild complication (n = 416) | p value |
---|---|---|---|---|
Age | ||||
  ≤ 80 | 408 | 29 | 379 | 0.535 |
  ≤ 81 | 41 | 4 | 37 |  |
Sex | ||||
 Male | 299 | 27 | 272 | 0.325 |
 Female | 150 | 6 | 144 |  |
BMI | ||||
  ≤ 25 | 392 | 27 | 365 | 0.325 |
  > 25 | 57 | 6 | 51 |  |
Preoperative comorbidity | Â | Â | Â | Â |
 DM | 62 | 10 | 52 | 0.004 |
 Renal dysfuction | 5 | 3 | 2 | < 0.001 |
 Ischemic heart disease | 28 | 4 | 24 | 0.146 |
 Brain infarction | 25 | 2 | 23 | 0.898 |
 Liver cirrhosis | 5 | 0 | 5 | 0.526 |
 COPD | 14 | 1 | 13 | 0.976 |
 Multiple Comorbidities | 20 | 3 | 17 | 0.011 |
Operation time | ||||
 Average (min) | 281 | 280 | 283 | 0.813 |
 Blood loss |  |  |  |  |
 Average (g) | 121 | 124 | 121 | 0.936 |
Surgery | ||||
 DG | 393 | 26 | 367 | 0.145 |
 TG | 56 | 7 | 49 |  |
Lymphatic dissection | Â | Â | Â | Â |
 D1, D1+ | 401 | 32 | 369 | 0.334 |
 D2 | 48 | 1 | 47 |  |
pathological T category | ||||
 pT1,2 | 411 | 26 | 385 | 0.012 |
 pT3,4 | 38 | 7 | 31 |  |
pathological N category | ||||
 pN0 | 385 | 25 | 360 | 0.302 |
 pN1,2,3 | 64 | 8 | 56 |  |
pathological Stage | ||||
 Stage I | 389 | 25 | 364 | 0.005 |
 Stage II,III | 60 | 8 | 52 |  |
Laboratory data | ||||
 Day1 (Median) | ||||
  WBC (×10/mm3) | 100 | 101 | 99 | 0.186 |
  CRP (mg/dL) | 5.75 | 4.5 | 6.3 | 0.057 |
  Neutrophils (%) | 83.8 | 84.3 | 83.6 | 0.243 |
  Lymphocyte (%) | 10.5 | 10 | 11 | 0.954 |
Day3 (Median) | ||||
 WBC (×10/mm3) | 70 | 85 | 68 | 0.373 |
 CRP (mg/dL) | 7.3 | 13.5 | 6.3 | 0.671 |
 Neutrophils (%) | 79.4 | 78.7 | 49.1 | 0.501 |
 Lymphocyte (%) | 15 | 12.3 | 15.5 | 0.079 |
Difference (Day3-Day1) | ||||
 DWBC (×10/mm3) | −28 | −19 | −32 | 0.483 |
 DCRP | 1.39 | 9 | 0.4 | 0.113 |
 Dneutrophils (×10/mm3) | −31 | −20 | −31 | 0.741 |
Ratio (Day3/Day1) | ||||
 (Median) | ||||
  WBC | 0.7 | 0.8 | 0.7 | 0.844 |
  CRP | 1.28 | 2.9 | 1.1 | 0.003 |
  Neutrophils | 0.6 | 0.7 | 0.58 | 0.768 |