Table 2 Lymph node characteristics and OSNA results
| Â | Median (IQR) | p-value | |
|---|---|---|---|
OSNA pooling cohort | OSNA individual cohort | Â | |
Fresh LN | 18.0 (13.0–25.0) | 13.0 (10.0–18.0) | <0.001 |
FFPE LN | 1.0 (0.0–5.0) | 3.0 (2.0–5.0) | <0.001 |
Total LN | 20.5 (17.0–27.0) | 17.0 (13.0–22.0) | <0.001 |
H&E results (pN) | Â | Â | Â |
 pN0 | 77 (89.5) | 92 (90.2) | 0.588 |
 Positive | 9 (10.5) | 10 (9.8) |  |
  pN1a | 3 (3.5) | 5 (4.9) |  |
  pN1b | 3 (3.5) | 3 (2.9) |  |
  pN1c | 0 | 0 |  |
  pN2a | 1 (1.2) | 2 (2.0) |  |
  pN2b | 2 (2.3) | 0 |  |
 OSNA results |  |  |  |
  Positive | 24 (27.9) | 61 (59.8) | <0.001 |
  Negative | 62 (72.1) | 41 (40.2) |  |
TTL of OSNA positive cases | 5485 (855–26,350) | 1940 (920–7400) | 0.228 |
OSNA tests | 2.0 (1.0–3.0) | 13.0 (10.0–18.0) | <0.001 |
OSNA tests saved | 16 (12–22) | – |  |