A statistical outlier

BMJ 2008; 337 doi: (Published 19 November 2008) Cite this as: BMJ 2008;337:a2305
  1. Giridhar P Kalamangalam, assistant professor, Department of Neurology, University of Texas Health Science Centre, Houston, TX, USA
  1. giridhar.p.kalamangalam{at}

    The man who strode in lightly could not have been older than 65. He sat down smartly. Of slim build, he had a full head of hair and wore no glasses. I checked his birth date on the chart: 1923. He was actually in his 80s. His presenting complaint was relatively minor, and we agreed no investigation or treatment was required. That freed up time to discuss his youthful looks.

    “I take it you don’t smoke,” I announced.

    “No, as a matter of fact, I do. …

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