A cross-sectional study of the association of dental health factors with progression and all-cause mortality in men diagnosed with HPV-associated oropharyngeal cancer

Table 3 Dental factors and risk of progression or mortality (n = 40)

	Event No. (Valid %)	HR (95% CI)	P_trend	aOR (95% CI)^a	P_trend
Number of teeth lost
0–4	10 (26.3)	REF	0.058	REF	0.194
5–7	10 (26.3)	1.03 (0.42, 2.54)		0.95 (0.36, 2.49)
8+	18 (47.4)	2.03 (0.94, 4.39)		1.64 (0.71, 3.79)
Gingival index
0–1	5 (33.3)	REF	0.273	REF	0.534
2–3	10 (66.7)	1.57 (0.70, 3.55)	0.273	1.32 (0.54, 5.27)	0.534
Pocket depth
<4 mm	8 (28.6)	REF	0.035	REF	0.100
4–6 mm	13 (46.4)	1.73 (0.78, 3.85)		1.46 (0.64, 3.33)
>7 mm	7 (25.0)	2.62 (1.03, 6.72)		2.33 (0.84, 6.42)
Loss of attachment
No	5 (19.2)	REF	0.204	REF	0.438
Yes	21 (80.8)	1.76 (0.74, 4.21)	0.204	1.45 (0.57, 3.69)	0.438
Alveolar bone loss
No	4 (13.8)	REF	0.158	REF	0.314
Yes	25 (86.2)	2.02 (0.76, 5.36)	0.158	1.69 (0.60, 4.74)	0.314
Dental score
Lowest	7 (17.5)	REF	0.040	REF	0.146
Middle	15 (37.5)	1.75 (0.58, 5.25)		1.62 (0.52, 5.02)
Highest	18 (45.0)	2.70 (1.0, 7.40)		2.13 (0.73, 6.22)

^aAdjusted for age, stage, and smoking cox proportional hazards model for progression free survival (progression or mortality)

ISSN: 1472-6831