Postoperative data
| Postoperative measure | IA | EA | p value |
|---|---|---|---|
| PCA, yes:no | 5:16 | 14:15 | 0.08 |
| Postoperative transfusion, yes:no | 1:20 | 4:25 | 0.29 |
| Type, invasive:all others | 9:12 | 24:5 | 0.003 |
| Gross size (invasive only) cm | 5.44 | 4.82 | 0.43 |
| Node positive (invasive only), yes:no | 5:4 | 14:10 | 0.89 |
| No. positive nodes (invasive only) | 2.78 | 2.54 | 0.86 |
| No. nodes examined (invasive only) | 19.1 | 17.2 | 0.50 |
EA = extracorporeal anastomosis; IA = intracorporeal anastomosis; PCA = patient-controlled analgesia.