Table 3.

Mucosal thickening, stratified according to age, periodontal bone loss, furcation lesions, vertical infrabony pockets, and penetrated sinus floors

Variable	Category	OR†	95% CI	P-value‡
Sex	Male vs. female	1.74	1.05–3.00	0.041*
Age (years)	26–40 vs. <25	2.96	1.29–6.78	0.013*
	41–60 vs. <25	1.28	0.57–2.87	0.684
	≥60 vs. <25	1.97	0.55–7.16	0.339
	41–60 vs. 26–40	1.71	0.94–3.12	0.095
	≥60 vs. 26–40	1.42	0.46–4.39	0.572
	≥60 vs. 41–60	0.97	0.30–3.12	1.000
Periodontal bone loss	Moderate vs. mild	1.02	1.07–1.36	0.000**
	Severe vs. mild	4.62	3.37–6.33	0.000**
Furcation lesions	Yes vs. no	2.76	1.73–4.41	0.000**
	Class I vs. Class 0	0.32	0.21–1.98	0.761
	Class II vs. Class 0	1.56	0.93–2.69	0.011*
	Class III vs. Class 0	3.48	1.11–3.92	0.008*
Vertical infrabony pockets	Yes vs. no	13.58	6.26–29.49	0.000**
	2 vs. 1	2.36	1.51–3.13	0.026*
	3 vs. 1	5.58	2.56–5.31	0.018*

Values are given as odds ratio (OR) and 95% confidence interval (95% CI).

^†OR scale of disease risk: OR = 1.0–1.1, no risk; OR = 1.2–1.4, low risk; OR = 1.5–2.9, moderate risk; OR = 3.0–9.9, high risk; OR ≥ 10, extremely high risk.

^‡Binary logistic regression analysis.

^*P < 0.05.

^**P < 0.001.