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 |