Experiment Time points | Periods testing | No. of CFUs/plate | *P-value | ||
---|---|---|---|---|---|
No cover | The standard two-drape method (Beneath cover) | The novel single-drape cover (Beneath cover) | |||
Mean ± SD | Mean ± SD | Mean ± SD | |||
60 min | Static | 1.72 ± 1.64 | 0.22 ± 0.943 | 0.22 ± 0.943 | < 0.0001 |
Dynamic | 2.6 ± 2.83 | 0.33 ± 0.686 | 0.11 ± 0.323 | 0.001 | |
120 min | Static | 2.72 ± 2.65 | 0.44 ± 0.70 | 0.11 ± 0.32 | < 0.0001 |
Dynamic | 3.89 ± 5.58 | 0.28 ± 0.67 | 0.22 ± 0.55 | 0.001 | |
180 min | Static | 3.33 ± 3.10 | 0.33 ± 0.59 | 0.17 ± 0.38 | 0.001 |
Dynamic | 4.50 ± 4.29 | 0.61 ± 1.38 | 0.28 ± 0.67 | < 0.0001 | |
240 min | Static | 5.28 ± 4.56 | 0.61 ± 0.78 | 0.17 ± 0.38 | .002 0 |
Dynamic | 6.94 ± 5.64 | 0.61 ± 0.60 | 0.39 ± 0.60 | 003 0 | |
24 hours | Static | 12.4 ± 10.7 | 0.72 ± 1.2 | 0.22 ± 0.43 | 0.002 |