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Table 1 Patient characteristics

From: The differentiation status of primary gonadal germ cell tumors correlates inversely with telomerase activity and the expression level of the gene encoding the catalytic subunit of telomerase

Characteristics   No.
Patients   80
Median age in y   
Control group 30.5  
Patients with testicular germ cell tumors  
   Pure seminoma 32.7  
   Nonseminoma 25.1  
Benign testicular tissue specimens (control group) 38
Germ cell tumors 42
Intratubular germ cell neoplasia unclassified 7
Clinical stage of patients with primary TGCT*  
I   24
II   11
III   7
  1. ITGCNU (>30%) = intratubular germ cell neoplasia, unclassified in more than 30 % of the tubuli. TGCT = Testicular germ cell tumor, *Clinical stage according to the UICC classification [43].