title: Selecting concomitant variables using a likelihood ratio step-down procedure and a method of testing goodness of fit in an exponential survival model.
mesh_terms: D000135:Acid Phosphatase / Q000032:analysis; D000367:Age Factors; D000368:Aged; D000704:Analysis of Variance; D001699:Biometry; D001835:Body Weight; D004106:Dilatation / Q000150:complications; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D008297:Male; D008954:Models, Biological; D009362:Neoplasm Metastasis; D010146:Pain / Q000150:complications; D011379:Prognosis; D011467:Prostate / Q000201:enzymology; D011471:Prostatic Neoplasms / Q000150:complications / Q000401:mortality* / Q000628:therapy; D014522:Urethral Diseases / Q000150:complications
chemical_list: D006454:Hemoglobins; D000135:Acid Phosphatase