Lack of power.
Fanning
J
J
D015992:Body Mass Index; D016889:Endometrial Neoplasms / Q000145:classification / Q000473:pathology; D005260:Female; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology; D009765:Obesity / Q000145:classification; D012189:Retrospective Studies; D016019:Survival Analysis