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Table 1 Preoperative patients’ characteristics

From: Laparoscopic and open postchemotherapy retroperitoneal lymph node dissection in patients with advanced testicular cancer – a single center analysis

Variable L-PCLND O-PCLND p Value
N = 46 N = 21
histology of orchiectomy; n (%) *2    
seminoma*2 12 (26.0) 6 (28.5) 1.000 *1
pure seminoma 2 (4.3) 0 (0) 1.000 *1
teratoma*2 9 (19.5) 4 (19.0) 1.000 *1
embryonal cell carcinoma 25 (54.3) 10 (47.6) 0.558 *1
pure embryonal cell carcinoma 16 (34.7) 2 (9.5) 0.030 *1
chorioncarcinoma*2 2 (4.3) 4 (19.0) 0.077 *1
yolk sack*2 7 (15.2) 8 (38.0) 0.055 *1
IGCCCG risk score before chemotherapy; n (%)    
good 29 (63.0) 8 (38.1) 0.021 *1
intermediate 9 (19.6) 1 (4.8)
poor 6 (13.0) 8 (38.1) 0.072 *1
missing 2 (4.3) 4 (19.0)
Tumor markers before chemotherapy; n (%)
Not elevated 5 (10.9) 1 (4.8) 0.065 *1
S1 30 (65.2) 8 (38.1)
S2 5 (10.9) 5 (23.8)
S3 6 (13.0) 7 (33.3)
Tumor markers after chemotherapy; n (%)    
Not elevated 38 (82.6) 15 (71.4) 0.545 *1
S1 6 (13.0) 4 (19.0)
missing 2 (4.3) 2 (9.5)
Cycles of chemotherapy preop; median (range) 3 (3-8) 4 (3-7) 0.005 *3
Salvage chemotherapy; n (%) 0 (0) 2 (9.5) 0.095 *1
  1. Abbreviations
  2. L-PCLND – laparoscopic postchemotherapy retroperitoneal lymph node dissection; O-PCLND – open postchemotherapy retroperitoneal lymph node dissection; IGCCCG – international germ cell cancer collaboration group; preop – preoperatively (before L-PCLND or O-PCLND); *1 – fishers exact test; *2 proportion of histologic subtype among others, multiple proportions possible; *3 – Man Whitney U test.