Table 1.
Variable | Experimental room | Control room | Independent samples test |
---|---|---|---|
Mean ± SD | Mean ± SD | ||
Preintervention contamination | 29.21 ± 17.99 | 22.50 ± 10.02 | P value = 0.23 |
Postintervention contamination | 13.79 ± 6.20 | 31.07 ± 21.1 | P value = 0.01 |
Paired samples test | P value = 0.01 | P value = 0.24 |