Table 5 The prognosis reported by previous studies about ODP
Source | Year | No. of cases | Median survival (months) | 5-year survival (%) | Mean no. of harvested lymph nodes | Mean tumor size (mm) | Mean blood loss (ml) |
|---|---|---|---|---|---|---|---|
Shimada et al. [6] | 2006 | 88 | 22 | 19 | NS | NS | NS |
Kooby et al. [7] | 2010 | 189 | 16 | NS | 13 | 25 | 790 |
Yamamoto et al. [8] | 2010 | 73 | NS | 30 | NS | 33 | 707 |
Redmond et al. [9] | 2010 | 94 | 16 | NS | NS | 43 | NS |
Mitchem et al. [10] | 2012 | 47 | 26 | 36 | 18 | 34 | 744 |