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PURPOSE: Time to surgery (TTS) is of concern to patients diagnosed with cancer and their physicians. Controversy surrounds the impact of TTS on colon cancer survival. There are limited national data evaluating the association; thus, our aim was to estimate the overall survival (OS) impact from increasing TTS for patients with colon cancer. METHODS: Using the National Cancer Data Base (NCDB), we assessed OS as a function of time between diagnosis and surgery by evaluating intervals encompassing 30 days or within the first week independently increased mortality risk. There was a significant increase in mortality with TTS 31 to 60 hazard ratio (HR) 1.13, 61 to 90 (HR 1.49), <7 (HR 1.56), 91 to 120 (HR 2.28), and 121 to 180 (HR 2.46) compared to surgery performed 7 to 30 days after diagnosis (P < 0.001). CONCLUSIONS: TTS is independently associated with OS and this represents a public health issue that should be addressed at a national level. Although time is required for evaluation before surgery, efforts to reduce TTS should be pursued.
Kaltenmeier et al. (Tue,) studied this question.