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Table 5 Significant model-based contrasts between the rate of MRSA and year and month

From: The use of the temporal scan statistic to detect methicillin-resistant Staphylococcus aureus clusters in a community hospital

Description IRR 95% CI P-value
2009 versus 2007 1.45 1.09 – 1.94 0.011
2009 versus 2008 1.83 1.34 – 2.48 < 0.001
2010 versus 2007 2.34 1.79 – 3.06 < 0.001
2010 versus 2008 2.94 2.20 – 3.92 < 0.001
2010 versus 2009 1.61 1.28 – 2.03 < 0.001
2011 versus 2007 1.91 1.10 – 3.31 0.021
2011 versus 2008 2.39 1.38 – 4.18 0.002
March versus June 1.83 1.12 – 3.00 0.016
April versus February 1.72 1.11 – 2.66 0.015
April versus June 2.11 1.31 – 3.42 0.002
  1. MRSA = Methicillin-resistant Staphylococcus aureus.
  2. IRR = Incidence rate ratio.
  3. CI = Confidence interval.