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Table 2 Alerts triggered by patients with and without end-digit preference during the six-month trial period (95% confidence intervals)

From: Assessing the reliability of self-reported weight for the management of heart failure: application of fraud detection methods to a randomised trial of telemonitoring

  End-digit preference (n = 105) No end-digit preference (n = 535)
Mean number of alerts (Tele-HF)a 2.9 (2.3 to 3.5) 2.3 (2.2 to 2.5)
Mean number of alerts (2 pound)b 3.2 (2.6 to 3.7) 2.6 (2.4 to 2.7)
  1. aA difference of more than three pounds in either direction from the first-recorded weight
  2. bA difference of more than two pounds in either direction from one day to the next