Implementation of human factors engineering approach to improve environmental cleaning and disinfection in a medical center

Table 2 Terminal Cleaning and Disinfection Score of the Fluorescent marker, ATP, and ACC Methods by Phases (n = 84)

Method	Phase 1(a)	Phase 2(b)	Phase 3(c)	P	Post-hoc (Bonferroni)^a
Method	Mean ± SD			P	Post-hoc (Bonferroni)^a
Fluorescent marker	39.4 ± 17.6	74.6 ± 17.6	85.4 ± 10.0	< .001	b > a*, c > a, c > b**
ATP	63.5 ± 13.4	84.8 ± 11.1	86.6 ± 9.6	< .001	b > a*, c > a*
ACC	91.7 ± 6.3	96.5 ± 4.0	95.6 ± 5.1	.002	b > a*, c > a

NOTE. ATP ATP bioluminescence assay, ACC aerobic colony count, SD standard deviation
^a*P < .05, **P < .01, ***P < .001

ISSN: 2047-2994