TABLE 3.
Summary of pathologic parameters
| Variable | AdEBR (n = 68) n (%) | Ad (n = 99) n (%) |
|---|---|---|
| Median tumor size: cm (IQR) | 13(11–17.3) | 10 (6.5–13) |
| T stage | ||
| T1 | 1 (1.5%) | 10 (10.1%) |
| T2 | 22 (32.4%) | 49 (49.5%) |
| T3 | 29 (42.6%) | 32 (32.3%) |
| T4 | 14 (20.6%) | 3 (3.0%) |
| LN dissection | ||
| No | 40 (58.8%) | 81 (81.8%) |
| Yes | 25 (36.8%) | 12 (12.1%) |
| N stage | ||
| N0 | 21 (30.9%) | 11 (11.1%) |
| N1 | 11 (16.2%) | 5 (5.1%) |
| Nx | 36 (52.9%) | 81 (81.8%) |
| Mean number of LNs removed (95% CI) | 3.4 (2.03–4.83) | 0.63 (0.13–1.12) |
| Grade | ||
| G1 | 0 (0.0%) | 2 (2.0%) |
| G2 | 1 (1.5%) | 2 (2.0%) |
| G3 | 6 (8.8%) | 9 (9.1%) |
| G4 | 10 (14.7%) | 4 (4.0%) |
| Venous invasion on final pathology | ||
| No | 15 (22.1%) | 15 (15.2%) |
| Yes | 15 (22.1%) | 11 (11.1%) |
| Margin status | ||
| R0 | 46 (67.6%) | 66 (66.7%) |
| R1 | 15 (22.1%) | 21 (21.2%) |
| R2 | 3 (4.4%) | 2 (2.0%) |
Data presented in the table reflect all available data from our collaborative database. Percentages may not add up to 100.0% because data were missing for some variables
AdEBR adrenalectomy with en bloc resection, Ad adrenalectomy with no en bloc resection, IQR interquartile range, LN lymph node, CI confidence interval