Table 4. Odds ratios, statistical significance and confidence intervals of risk factors .

Indicator	Significance	Odds Ratio	%95 Confidence intervals
Oral mucosal lesion (any)
Length of denture use (6‒10 years)	0,258	1,441	0,766‒2,711
Length of denture use (11‒20 years)	0,036*	3,045	1,075‒8,628
Length of denture use (≥20 years)	0,011*	4,667	1,431‒15,218
Non-smokers	0,113
Former smokers	0,045*	3,385	1,028‒11,149
Smokers	0,394	1,234	0,761‒2,002
Male Gender	0,761	<1	0,596‒1,460
Aphthous ulcer
Male gender	0,617	<1	0,251‒2,270
Denture stomatitis
Length of denture use (6‒10 years)	0,000*	5,158	2,932‒9,075
Length of denture use (11‒20 years)	0,000*	3,960	1,994‒7,868
Length of denture use (≥20 years)	0,000*	4,293	2,242‒8,219
Diabetes Mellitus	0,338	<1	0,427‒1,340
Denture hyperplasia
Length of denture use (6‒10 years)	0,000*	6,847	2,766‒16,952
Length of denture use (11‒20 years)	0,000*	9,946	3,847‒25,714
Length of denture use (≥20 years)	0,000*	29,212	12,652‒67,443
Diabetes Mellitus	0,964	1,015	0,534‒1,929
Traumatic ulcer
Length of denture use (6‒10 years)	0,000*	7,170	2,755‒18,659
Length of denture use (11‒20 years)	0,002*	5,736	1,869‒17,601
Length of denture use (≥20 years)	0,000*	6,905	2,429‒19,625
Medication use	0,012*	12,787	1,735‒94,231

*Statistical significance (P<0.05)