Is patient travel distance associated with survival on phase II clinical trials in oncology?
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D015982:Bias; D002173:Cancer Care Facilities / Q000706:statistics & numerical data*; D002294:Carcinoma, Squamous Cell / Q000401:mortality / Q000628:therapy; D002641:Chicago; D017322:Clinical Trials, Phase II as Topic; D015986:Confounding Factors, Epidemiologic; D018572:Disease-Free Survival; D005260:Female; D006258:Head and Neck Neoplasms / Q000401:mortality / Q000628:therapy; D006785:Hospitals, University / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D008495:Medical Oncology / Q000458:organization & administration / Q000706:statistics & numerical data*; D008875:Middle Aged; D015999:Multivariate Analysis; D016017:Odds Ratio; D018579:Patient Selection; D011237:Predictive Value of Tests; D011379:Prognosis; D016016:Proportional Hazards Models; D012017:Referral and Consultation; D015996:Survival Rate; D014195:Travel