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Table 3 Bacterial burden on Copper Armour™ coated surfaces and control surfaces during 8 weeks of pilot study in an adult intensive care unit

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

Evaluated object

Copper Armour™

Control

P value

% Reduction

n

Average cfu/100 cm2

Media cfu/100 cm2

n

Average cfu/100 cm2

Median cfu/100 cm2

  

Total aerobic microbial load

 Bed rails

32

1129

120

32

3323

1440

0.018 *

66.0

 Overbed Table

14

762,9

0

16

1755

960

0,045 *

56.5

 Bedside Table

16

1793

60

16

2108

120

0,303

14.9

 IV Pole

16

157,5

0

16

337,5

120

0,195

53.5

Staphylococcus spp.

 Bed rails

32

270

0

32

2445

300

0,001 **

88.9

 Overbed Table

14

462,9

0

16

720

240

0,106

35.7

 Bedside Table

16

270

0

16

997,5

0

0,289

72.9

 IV Pole

16

22,5

0

16

60

0

0,231

62.5

Yeasts/Fungi

 Bed rails

32

697,5

0

32

195,0

0

 Overbed Table

14

68,5

0

16

15,00

0

 Bedside Table

16

630

0

16

1155

0

0,279

45.5

 IV Pole

16

15

0

16

37,5

0

0,367

60

  1. * p < 0.05, ** p < 0.001 established using Mann-Whitney U test (one-tailed)