Table 4 Sensitivity analysis comparing extracapsular extension (ECE) with preoperative node size (n = 21)
| Preoperative Node Size | ECE | No ECE | P Value |
|---|---|---|---|
| Less than 2.0 cm | 1 (20 %) | 4 (80 %) | .01 |
| Greater than or equal to 2.0 cm | 14 (88 %) | 2 (13 %) | |
| Less than 2.5 cm | 2 (29 %) | 5 (71 %) | .006 |
| Greater than or equal to 2.5 cm | 13 (93 %) | 1 (7 %) | |
| Less than 3.0 cm | 4 (44 %) | 5 (56 %) | .046 |
| Greater than or equal to 3.0 cm | 11 (92 %) | 1 (8 %) | |
| Less than 3.5 cm | 10 (63 %) | 6 (38 %) | .26 |
| Greater than or equal to 3.5 cm | 5 (100 %) | 0 (0 %) | |
| Less than 4.0 cm | 13 (68 %) | 6 (32 %) | > .99 |
| Greater than or equal to 4.0 cm | 2 (100 %) | 0 (0 %) |