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Table 3 Monthly rate of missed appointments in the text-message and telephone reminder arms during the study period

From: Text-messaging versus telephone reminders to reduce missed appointments in an academic primary care clinic: a randomized controlled trial

Month n Text-message reminder Telephone reminder P value
% %
Nov 2010 400 11.4 7.7 0.22
Dec 2010 1112 13.1 9.6 0.07
Jan 2011 850 14.0 11.4 0.25
Feb 2011 1520 11.7 10.5 0.44
March 2011 1518 9.8 10.4 0.70
April 2011 948 10.9 9.8 0.60