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Table 1 Comparison of our tumor incidence rate study with Horoszewicz’s

From: Testosterone inhibits the growth of prostate cancer xenografts in nude mice

Horoszewicz’s study groups Our study arms Serum T
ng/ml
Tumor incidence rate
A. control   1.90 62% (18/29)
  1. Control 1.00 50% (25/50)
B. Castrated   <0.10 22% (7/32)
  2. Castrated 0.10 8% (4/50)
C. Castrated +2 mg T   0.45 57% (8/14)
  3. Normal +2 mg T 2.4 for 2 wks (see Fig. 1) 44% (22/50)
  4. Normal +5 mg T 2.4 for 5 wks (see Fig. 1) 24% (12/50)