Correlations between Perceived Oral Malodor Levels and Self-Reported Oral Complaints

Table 1

Correlation coefficients between the results of 4 parameters regarding oral malodor.

		Spearman’s correlation
		CH3SH	(CH3)2S	OT
H2S
<600 ppb	335
≥600 ppb	24
CH3SH
<100 ppb	165
≥100 ppb	194
(CH3)2S
<100 ppb	305
≥100 ppb	54
OT
Score 0	164
Score 1	83
Score 2	59
Score 3	26
Score 4	27

OT: organoleptic test; : number of subjects.
: correlation coefficient.