JAMA : the journal of the American Medical Association
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Several studies suggest improved survival among patients in whom a higher number of nodes are examined after colectomy for colon cancer. The National Quality Forum and other organizations recently endorsed a 12-node minimum as a measure of hospital quality. ⋯ The number of lymph nodes hospitals examine following colectomy for colon cancer is not associated with staging, use of adjuvant chemotherapy, or patient survival. Efforts by payers and professional organizations to increase node examination rates may have limited value as a public health intervention.
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The association of body mass index (BMI) with cause-specific mortality has not been reported for the US population. ⋯ The BMI-mortality association varies by cause of death. These results help to clarify the associations of BMI with all-cause mortality.