Synergetic Antimicrobial Effects of Mixtures of Ethiopian Honeys and Ginger Powder Extracts on Standard and Resistant Clinical Bacteria Isolates

Table 2

Results of Tukey’s Honestly Significant Difference (HSD) test of honey-ginger extract mixtures on the test bacteria isolates.

Post hoc test	(𝐼) spp.	(𝐽) spp.	Mean difference (𝐼−𝐽)	Std error	Sig
Mixture	Staphylococcus aureus (ATCC 25923)	Staphylococcus aureus (MRSA)	3.33333*	0.54518	0.000
		Klebsiella pneumoniae (R)	5.75000*	0.54518	0.000
		Escherichia coli; (ATCC 25922)	0.33333	0.54518	0.973
		Escherichia coli (R)	3.75000*	0.54518	0.000
	Staphylococcus aureus (MRSA)	Staphylococcus aureus (ATCC 25923)	−3.33333*	0.54518	0.000
		Klebsiella pneumoniae (R)	2.41667*	0.54518	0.000
		Escherichia coli; (ATCC 25922)	−3.00000*	0.54518	0.000
		Escherichia coli (R)	0.41667	0.54518	0.940
	Klebsiella pneumoniae (R)	Staphylococcus aureus (ATCC 25923)	−5.75000*	0.54518	0.000
		Staphylococcus aureus (MRSA)	−2.41667*	0.54518	0.000
		Escherichia coli; (ATCC 25922)	−5.41667*	0.54518	0.000
		Escherichia coli (R)	−2.00000*	0.54518	0.005
	Escherichia coli; (ATCC 25922)	Staphylococcus aureus (ATCC 25923)	−0.33333	0.54518	0.973
		Staphylococcus aureus (MRSA)	3.00000*	0.54518	0.000
		Klebsiella pneumoniae (R)	5.41667*	0.54518	0.000
		Escherichia coli (R)	3.41667*	0.54518	0.000
	Escherichia coli (R)	Staphylococcus aureus (ATCC 25923)	−3.75000*	0.54518	0.000
		Staphylococcus aureus (MRSA)	−0.41667	0.54518	0.940
		Klebsiella pneumoniae (R)	2.00000*	0.54518	0.005
		Escherichia coli; (ATCC 25922)	−3.41667*	0.54518	0.000

∗The mean difference is significant at the 0.05 level.