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Table 2 Median time to positivity of the bottles comparing different contamination models and different fluids

From: A simple and easy in vitro model to test the efficacy of IV lines' needleless connectors against contamination

Fluid MTP (IQR), h p
Hands 0.5 MF SA 0.05 MF SA
Saline 76.25 (65.95 to 125.00) 104.92 (45.96 to 239.94) 240.20 (154.82 to 360.00) 0.041 a
Propofol 74.91 (51.44 to 98.99) 147.89 (66.03 to 236.58) 66.11 (58.01 to 69.11) 0.24
p 0.69 1.00 0.008  
  1. aWe found statistically significant differences between the 0.05 McFarland S. aureus model and the hand model. MTP, median time to positivity; SA, Staphylococcus aureus; MF, McFarland.