Table 4. Consistent results over time.
| Year | Patients (N) | PSN + ASN | Positive SLN | pN+ total (SLN + AD) | pN+ total in patient with PSN | SLN detection rate (%) | FNR (%) |
|---|---|---|---|---|---|---|---|
| 2000 | 38 | 38 | 6 | 8 | 8 | 100 | 25 |
| 2001 | 45 | 44 | 13 | 13 | 13 | 97.8 | 0 |
| 2002 | 43 | 42 | 17 | 17 | 17 | 97.7 | 0 |
| 2003 | 60 | 58 | 18 | 22 | 21 | 96.7 | 14.3 |
| 2004 | 68 | 66 | 17 | 18 | 18 | 97.1 | 5.6 |
| 2005 | 60 | 58 | 20 | 22 | 21 | 97.7 | 4.8 |
| 2006 | 74 | 72 | 26 | 28 | 27 | 97.3 | 3.7 |
| 2007 | 68 | 66 | 20 | 21 | 21 | 97.1 | 4.8 |
PSN, principal sentinel lymph node; ASN, accessory sentinel lymph node; pN+, positive lymph node; SLN, sentinel lymph node; AD, axillary dissection; FNR, false negative rate.