International Journal of Clinical Preventive Dentistry

Table. 5. Table 5

The correlation between malodor components and oral factors (n=101)

	O’Leary index	Stimulated saliva	Unstimulated saliva	Oral humidity	Hydrogen sulfide	Methyl mercaptan	Dimethyl sulfide	Tongue coating index	Simple plaque score
O’Leary index	1
Stimulated saliva	−0.016	1
Unstimulated saliva	0.116	0.493**	1
Oral humidity	0.151	0.159	0.021	1
Hydrogen sulfide	−0.028	−0.198*	−0.112	−0.155	1
Methyl mercaptan	0.236*	−0.177	−0.062	−0.072	0.335*	1
Dimethyl sulfide	0.066	−0.063	−0.136	−0.104	−0.072	0.066	1
Tongue coating index	0.340**	−0.135	−0.046	−0.037	0.224*	0.119	−0.059	1
Simple plaque score	0.116	0.035	0.082	−0.005	0.048	0.231*	−0.118	0.320*	1

^* p<0.05, **p<0.01.