Table 1. Dominating bacterial species revealed by culture method and MALDI-TOF identification on mobile phones according to the percentage of Enterococcus faecalis in total bacterial 16S rRNA (Group 1 - >1%; Group 2 - <1%) found on the particular mobile phone surface.
Dominating bacteria | No and % of phones contaminated with bacteria | p | |||
---|---|---|---|---|---|
Group 1 (15 phones) | Group 2 (12 phones) | ||||
n | % | n | % | ||
Coagulase-negative staphylococci | 12 | 80 | 8 | 67 | 0.432 |
Micrococcus luteus | 11 | 73 | 4 | 33 | 0.038 |
Acinetobacter lwoffii | 6 | 40 | 3 | 25 | 0.411 |
Kocuria spp. | 3 | 20 | 2 | 17 | 0.825 |
Bacillus spp. | 1 | 7 | 3 | 25 | 0.183 |
Corynebacterium spp. | 1 | 7 | 3 | 25 | 0.183 |
Paenibacillus lactis | 1 | 7 | 1 | 8 | 0.869 |
Bacillus cereus | 1 | 7 | 1 | 8 | 0.869 |
Staphylococcus aureus | 1 | 7 | 0 | 0 | 0.362 |
Pseudomonas luteola | 1 | 7 | 0 | 0 | 0.362 |
Neisseria flavescens | 1 | 7 | 0 | 0 | 0.362 |
Rothia dentocariosa | 0 | 0 | 1 | 8 | 0.255 |
Species identification was performed through culturing methods and MALDI TOF; comparison is based on percentage (>1%/<1%) of E. faecalis DNA in total 16S rRNA