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Table 4 Frequency of a microbial burden of > 250 cfu/100 cm2 on Copper Armour™ coated surfaces and control surfaces

From: Antimicrobial properties of a novel copper-based composite coating with potential for use in healthcare facilities

Evaluated objects Copper Armour™ Control P value
n Number (%) of samples having > 250 cfu/100 cm2 n Number (%) of samples having > 250 cfu/100 cm2
Bed rails 32 13 (40.6) 32 22 (68.8) 0.023 *
Overbed Table 14 ** 5 (35.7) 16 12 (75) 0.030 *
Bedside Table 16 6 (37.5) 16 7 (43.7) 0.718
IV Pole 16 2 (12.5) 16 7 (43.7) 0.113
Total 78 26 (33.3) 80 48 (60) 0.001 **
  1. * p < 0.05, ** p < 0.001 established using either Pearson χ2 or Fisher’s Exact tests
  2. **Two samples were discarded because the surface was contaminated with blood