Table 1.
Basic information for studies included in the meta-analysis
| Authors | Research time | Country | Average age (PD/ELND versus PD) | Male/Female (PD/ELND versus PD) | Number of cases (PD/ELND versus PD) | Indicators |
|---|---|---|---|---|---|---|
| Pedrazzoli et al. [10] |
3/1991 to 3/1994 |
Italy |
59.2/62 |
25/16 |
41/40 |
operative time, postoperative hospital stay, amount of blood transfusions, incidence of postoperative complications, mortality, 4-year survival rate |
| 27/13 | ||||||
| Farnell et al. [11] |
5/1997 to 7/2003 |
U.S. |
67/66 |
18/21 |
39/40 |
operative time, postoperative hospital stay, incidence of postoperative complications, mortality, 1-, 3-, and 5-year survival rate, |
| 20/20 | ||||||
| Yeo et al. [12,13] |
4/1996 to 6/2001 |
U.S. |
65.2/66.2 |
76/72 |
148/146 |
operative time, postoperative hospital stay, amount of blood transfusions, incidence of postoperative complications, mortality, 1-, 3-, and 5-year survival rate |
| 85/61 | ||||||
| Nimura et al. [14] |
2000.3 to 2003.5 |
Japan |
61/62 |
25/26 |
51/50 |
operative time, postoperative hospital stay, amount of blood transfusions, incidence of postoperative complications, mortality, 1-, 3-, and 5-year survival rate |
| 25/25 |
PD, pancreatoduodenectomy; PD/ELDN, pancreatoduodenectomy with extended lymphadenectomy.