Skip to main content
. 2016 Jun 9;13(6):576. doi: 10.3390/ijerph13060576

Table 4.

Pass rate of all sampling sites determined by five different criteria before and after the intervention.

Standard <2.5 CFU/cm2 [3,5,7,20,22] p * <5 RLU/cm2 [22] p * <10 RLU/cm2 [23] p * <250 RLU [1,3,5,19,20,21] p * <500 RLU [4,6,21] p *
Before intervention 55/121 (45) 0.004 47/121 (39) 0.052 63/121 (52) 0.017 65/121 (54) 0.003 86/121 (71) 0.082
After intervention 78/121 (64) 63/121 (52) 82/121 (68) 88/121 (73) 96/119 (81)

* chi-squared test; The number in the brackets indicates the references in which this criterion is used. Data are the proportion (%) of the surface samples tested.