Table 1 –

RP characteristics of 654 patients treated with salvage lymph node dissection for nodal recurrence of prostate cancer

Variable	Overall population (n = 654; 100%)
Age at RP, yr	59 (55–65)
Pre-RP PSA level, ng/ml	8.4 (5.9–13.0)
Pathologic T stage, n (%)
pT2	210 (32)
pT3a	214 (33)
pT3b	214 (33)
Unknown	16 (2)
Surgical margins, n (%)
Negative	396 (61)
Positive	232 (35)
Unknown	26 (4)
Gleason grade group, n (%)
≤3	22 (3)
4	352 (54)
5	280 (43)
Pathologic N stage, n (%)
pN0	466 (71)
pN1	104 (16)
pNx	84 (13)
Lymph nodes removed at RP	8 (5–14)
Undetectable PSA after RP, n (%)
No	254 (39)
Yes	284 (43)
Unknown	116 (18)
Post-RP radiation therapy, n (%)
No	258 (39)
Yes	396 (61)
Type of radiation therapy, n (%)
No	258 (39)
Adjuvant	56 (9)
Salvage for PSA rising	296 (45)
Salvage for PSA persistence	44 (7)

PSA = prostate-specific antigen; RP = radical prostatectomy.

All values are medians (interquartile range) or frequencies (proportions).