Review Article
Frequency of Positive Surgical Margin at Prostatectomy and Its Effect on Patient Outcome
Table 2
Comparison of PSM rates by duration of surgical experience.
| First author, yr | Number of cases | Cohort years | PSM rate | Open | Laparoscopic | Robotic |
| Rodriguez 2010 [21] | 400, by intervals of 100 | 2004–2006 | — | For pT2: 28.4%–31.9% to 11.6%–11.5%* | — | Yee 2009 [22] | 50, then 250 | 2005–2008 | — | — | Cases 1–50: 36%, 51–250: 17.6%, 251–450: 7.5% | Liss 2008 [23] | 216 | 2003–2007 | — | — | 14.8%, decr. over time , nerve-sparing increased risk | Eastham 2007 [24] | 2442 | 1983–1990 and 1991–2004 | 18% versus 10%,
| — | — | Touijer 2007 [19] | 1177 | 2003–2005 | No decrease over time | Decreased over time, | — |
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*First 200 cases versus last 200 cases.
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