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Table 1 Clinical characteristics in the two patient populations

From: Preoperative semen quality is superior to the quality shortly after orchiectomy in patients with testicular germ cell tumour – a retrospective study from two centres in Germany

time-point of semen analysis

before orchiectomy

after orchiectomy

Age *

 eligible (n)

163

242

 < 30 years (n; %)

71 (43.6%)

144 (59.5%)

 30–39 years (n; %)

81 (49.7%)

85 (35.1%)

 > 40 years (n; %)

11 (6.8%)

13 (5.4%)

Histology *

 eligible (n)

163

241

 Seminoma (n; %)

92 (56.4%)

81 (33.6%)

 Nonseminoma (n; %)

71 (43.5%)

160 (66.4%)

Clinical stage *

 eligible (n)

158

237

 CS1 (n; %)

128 (81.0%)

130 (54.8%)

 CS2a,b (n; %)

24 (15.2%)

68 (28.7%)

 CS2c (n; %)

3 (1.9%)

9 (3.8%)

 CS3 (n; %)

3 (1.9%)

30 (12.7%)

Tumour size

 eligible (n)

156

191

 < 2 cm (n; %)

38 (24.4%)

36 (18.8%)

 2.1–4 cm (n; %)

83 (53.2%)

105 (55.0%)

 > 4 cm (n; %)

35 (22.4%)

50 (26.2%)

AFP- serum level

 eligible (n)

159

196

 < ULN

125 (78.6%)

131 (66.8%)

 1—10 × ULN

19 (11.9%)

37 (18.9%)

 11—50 × ULN

12 (7.6%)

18 (9.2%)

 > 50 × ULN

3 (1.9%)

10 (5.1%)

beta HCG- serum level

 eligible (n)

159

198

 < ULN

89 (55.9%)

122 (61.6%)

 1—10 × ULN

38 (23.9%)

34 (17.2%)

 11—50 × ULN

16 (10.1%)

18 (9.1%)

 > 50 × ULN

16 (10.1%)

24 (12.1%)

  1. The data show some disparities among the two patient populations. The postoperative group consisted of significantly more cases of younger age, more nonseminoma cases, and more patients with advanced clinical stages (marked with asterisk) than the preoperative population. Chi square test was used for statistical comparisons. CS clinical stage; ULN upper limit of norm, AFP alpha fetoprotein, bHCG human beta chorionic gonadotropin