Table 1.
Patient clinicopathological characteristics with or without Adjuvant chemotherapy
| Adjuvant (+) N = 39 | Adjuvant (−) N = 15 | p | |
|---|---|---|---|
| Age (mean ± SD) | 69.9 ± 7.8 | 71.5 ± 7.7 | 0.499 |
| Sex (Male: Female) | 17: 22 | 9: 6 | 0.366 |
| Operative method (PD: DP) | 28: 11 | 12: 3 | 0.733 |
| Comorbidity (Y: N) | 27: 12 | 12: 3 | 0.515 |
| Preoperative BMI (Kg/m2) (mean ± SD) | 22.3 ± 2.9 | 22.4 ± 3.4 | 0.863 |
| Operation time (min) (mean ± SD) | 396 ± 100 | 394 ± 70 | 0.955 |
| Intraoperative bleeding (ml) (mean ± SD) | 878 ± 626 | 1102 ± 1339 | 0.404 |
| Extended dissection of nerve plexus around SMA (Y: N)a | 12: 27 | 3: 12 | 0.515 |
| Concomitant venous reconstruction (Y: N) | 5: 34 | 1: 14 | 0.461 |
| Number of resected lymph nodes | 30 ± 11 | 28 ± 20 | 0.730 |
| AJCC Stage (IA: IB: IIA: IIB: III: IV) | 2:0:10:23:0:4 | 3:2:3:7:0:0 | 0.124 |
| Residual tumor (R0: R1) | 32: 7 | 15: 0 | 0.171 |
| Postoperative diarrhea (Y: N)b | 13: 26 | 7: 8 | 0.363 |
| Postoperative pancreatic fistula grade B or C | 11: 28 | 1: 14 | 0.145 |
| Postoperative delayed gastric emptying (Y: N) | 7: 32 | 2: 13 | 0.697 |
aExtended dissection of nerve plexus around SMA was defined as more than a half
bPostoperative diarrhea was defined as increased frequency of defecation one or more times per day