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Table 10 Use of serum free β-subunit as a tumor marker for detection of malignancies.

From: New discoveries on the biology and detection of human chorionic gonadotropin

Malignancy Patients Sensitivity (> 3 fmol/ml)
Ovarian cancer 150 38% average of 3 reports
Cervical cancer 60 37% average of 2 reports
Endometrial cancer 55 33% average of 2 reports
Vulvar 50 38% single report
Bladder cancer 99 38% average of 2 reports
Lung cancer 177 18% average of 2 reports
Colorectal cancer 436 17% average of 2 reports
TOTAL 1152 30% average of 16 reports
  1. Averages are determined from multiple reports by combining total cases positive for free β-subunit by total cases tested.