Table S1.
Comparison of LnI patient characteristics from retrospective and contemporary cohorts
| Variables | Retrospective cohort N=22 | Contemporary cohort LN N=51 | P-value* |
|---|---|---|---|
| Patient characteristics | |||
| Age, yr, median (IQR) | 60 (57–66) | 65 (64–68) | |
| Pre-operative PSA (ng/mL), median (IQR) | 6.9 (4.8–16.1) | 7.58 (5.1–11.8) | |
| Pathologic Gleason score, n (%) | >0.1 | ||
| ≥7 | 2 (9.1) | 10 (19.6) | |
| 8 | 9 (40.9) | 25 (49.0) | |
| ≥9 | 11 (50.0) | 15 (29.4) | |
| Unknown | 0 (0.0) | 1 (2.0) | |
| Pathologic stage, n (%) | >0.1 | ||
| T2 | 3 (13.6) | 5 (9.8) | |
| T3a | 8 (36.4) | 16 (31.4) | |
| T3b | 10 (45.5) | 29 (56.9) | |
| T4 | 1 (4.5) | 1 (2.0) | |
Note:
*
Fisher’s exact test. A statistical significance at P<0.05 was applied.
Abbreviations: IQR, interquartile range; Ln, lymph node; LnI, lymph node invasion; PSA, prostate-specific antigen; yr, year.