Letters Colorectal cancer

Authors’ reply

BMJ 2010; 340 doi: https://doi.org/10.1136/bmj.c2504 (Published 11 May 2010) Cite this as: BMJ 2010;340:c2504
  1. Henrica C W de Vet, professor of clinimetrics1,
  2. Petra Jellema, research fellow2,
  3. Daniëlle A W M van der Windt, professor in primary care epidemiology23,
  4. David J Bruinvels, senior researcher4,
  5. Christian D Mallen, senior lecturer in general practice3,
  6. Stijn J B van Weyenberg, affiliated professor of gastroenterology5,
  7. Chris J Mulder, professor of gastroenterology5
  1. 1Department of Epidemiology and Biostatistics, EMGO Institute for Health and Care Research, VU University Medical Center, 1081 BT Amsterdam, Netherlands
  2. 2Department of General Practice, EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam
  3. 3Arthritis Research UK National Primary Care Centre, Keele University, Keele, Staffordshire ST5 5BG
  4. 4Department of Public and Occupational Health, EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam
  5. 5Department of Gastroenterology and Hepatology, VU University Medical Center, Amsterdam
  1. hcw.devet{at}vumc.nl

    Our research question was posed from a general practitioner’s perspective and addressed tests that a GP might use to identify an increased risk of colorectal cancer in patients consulting with lower abdominal complaints.1 2 We therefore excluded studies comparing the risk of colorectal cancer in patients with and without abdominal symptoms, such as the BMJ papers mentioned by Hamilton and colleagues.1 …

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