Table 2.

Clinical parameters associated with oral malodour in and living habits of subjects with neurotic tendencies (n = 79)

Parameter	Subjects without oral malodour (n = 21)	Subjects with oral malodour (n = 58)	P-value
Clinical parameters associated with oral malodour
Tongue coating score
≥3	0 (0/21)	20.7 (12/58)	<0.05
<3	100 (21/21)	79.3 (12/58)
Caries
Presence	23.8 (5/21)	24.1 (14/58)	NS
Absence	76.2 (16/21)	75.9 (44/58)
No-good margin
Presence	4.76 (1/21)	8.62 (5/58)	NS
Absence	95.2 (20/21)	91.4 (53/58)
Tooth mobility
Presence	14.3 (3/21)	12.1 (7/58)	NS
Absence	85.7 (18/21)	87.9 (51/58)
PPD
≥5 mm	4.76 (1/21)	41.4 (24/58)	<0.01
<5 mm	95.2 (20/21)	58.6 (34/58)
Occult blood in the saliva
Presence	19.0 (4/21)	36.2 (21/56)*	NS
Absence	81.0 (17/21)	62.5 (21/56)*
Living habits
Smoking
Current	19.0 (4/21)	12.1 (7/58)	NS
Non- or former	81.0 (17/21)	87.9 (51/58)
Alcohol consumption
Daily	0 (0/21)	27.6 (16/58)	<0.01
Not daily	100 (21/21)	72.4 (42/58)

^*Tests of occult blood in the saliva were not performed in two samples obtained from the subjects with oral malodour.