Microbiological Monitoring of the Environment Using the “Association Rules” Approach and Disinfection Procedure Evaluation in a Hospital Center in Morocco

Table 2

The extraction model of the association rule between isolated germs.

Antecedents	Consequents	Antecedent support	Consequent support	Support	Confidence	Lift	Leverage	Conviction
Staphylococcus aureus	Coagulase-negative Staphylococci	0.58	0.70	0.50	0.862069	1.231527	0.0940	2.175
Coagulase-negative Staphylococci	Staphylococcus aureus	0.70	0.58	0.50	0.714286	1.231527	0.0940	1.470
Streptococcus spp.	Staphylococcus aureus	0.36	0.58	0.22	0.611111	1.053640	0.0112	1.080
Escherichia coli	Staphylococcus aureus	0.14	0.58	0.12	0.857143	1.477833	0.0388	2.940
Pseudomonas luteola	Coagulase-negative Staphylococcus	0.12	0.70	0.12	1.000000	1.428571	0.0360	inf
Streptococcus spp.	Coagulase-negative Staphylococcis	0.36	0.70	0.28	0.777778	1.111111	0.0280	1.350
Escherichia coli	Coagulase-negative Staphylococci	0.14	0.70	0.10	0.714286	1.020408	0.0020	1.050
Staphylococcus aureus, Streptococcus spp.	Coagulase-negative Staphylococci	0.22	0.70	0.20	0.909091	1.298701	0.0460	3.300
Streptococcus spp., Coagulase-negative Staphylococci	Staphylococcus aureus	0.28	0.58	0.20	0.714286	1.231527	0.0376	1.470