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Table 4 Change in reported use of evidence-based orthopedic surgery infection control practices in campaign and non-campaign states before and after the Project JOINTS campaign (italics indicate p<0.05 for the comparison)

From: Does a quality improvement campaign accelerate take-up of new evidence? A ten-state cluster-randomized controlled trial of the IHI’s Project JOINTS

  Campaign states Non-campaign states Campaign vs. non-campaign states (difference-in-difference)
  Pre-intervention
n = 77
Post-intervention
n = 74
  Pre-intervention
n = 94
Post-intervention
n = 91
 
  % (S.D.) p % (S.D.) p Percentage point change p
New evidence-based infection control practices
 1. Screening and decolonization
  1.a. Pre-operative nasal screening for Staphylococcus aureus carriage 49.6 (4.5) 60.2 (4.4) <0.0001 59.0 (4.3) 60.7 (4.2) 0.558 8.8 0.022
  1.b. Intranasal mupirocin prescribed for methicillin- resistant S. aureus (MRSA) carriers 49.7 (4.3) 65.5 (4.2) <0.0001 71.9 (4.3) 78.0 (4.0) 0.090 9.7 0.042
  1.c. Intranasal mupirocin prescribed for methicillin-sensitive S. aureus (MSSA) carriers 37.0 (4.7) 55.0 (4.4) <0.0001 52.4 (4.8) 54.5 (4.4) 0.642 15.9 0.008
 2. Chlorhexidine bathing 3 or more times preoperatively 31.1 (4.1) 39.7 (3.8) 0.024 34.1 (4.3) 36.2 (3.9) 0.624 6.5 0.263
 3. Alcohol-containing antiseptic used to prepare skin in operating room 96.9 (1.2) 99.0 (1.1) 0.019 96.4 (1.2) 96.5 (1.1) 0.863 1.9 0.150
  All-or-none composite of the new evidence-based infection control practices 19.6 (3.8) 37.9 (5.1) 0.0007 29.1 (4.9) 24.5 (4.3) 0.420 23.0 0.004
Previously promoted infection control practices from the Surgical Care Improvement Program (SCIP)
 4. Peri-operative intravenous antibiotics
  4.a. Timely receipt of prophylactic intravenous antibiotics 98.7 (0.6) 99.7 (0.6) 0.027 99.6 (0.6) 98.9 (0.6) 0.230 1.6 0.017
  4.b. Intravenous vancomycin for MRSA 94.8 (1.1) 95.3 (1.1) 0.683 98.0 (1.2) 96.3 (1.2) 0.214 2.2 0.229
 5. Appropriate hair removal techniques 94.2 (1.8) 94.4 (1.6) 0.901 94.8 (1.9) 93.6 (1.6) 0.575 1.4 0.615