Table 2.

Age-Standardised Incidence of OCSCC by Subsites for Each Sex and Ethnic Group

Subsites	Sex	Ethnicity
		Māori	Pasifika	Asian	European
Anterior tongue	Female	1.1 (0.8, 1.5)	1.8 (1.2, 2.5)	1.0 (0.7, 1.4)	0.9 (0.8, 1.0)
	Male	1.2 (0.9, 1.6)	1.6 (1.1, 2.3)	0.9 (0.6, 1.3)	1.3 (1.2, 1.4)
Alveolar/Gum	Female	0.1 (0.1, 0.3)	0.4 (0.1, 0.8)	0.4 (0.2, 0.7)	0.3 (0.2, 0.3)
	Male	0.2 (0.1, 0.4)	0.2 (0.1, 0.6)	0.3 (0.2, 0.6)	0.3 (0.3, 0.4)
Floor of mouth	Female	0.2 (0.1, 0.4)	0.1 (0.0, 0.4)	0.1 (0.0, 0.2)	0.2 (0.1, 0.2)
	Male	0.4 (0.2, 0.6)	0.2 (0.1, 0.6)	0.2 (0.1, 0.4)	0.3 (0.3, 0.4)
Palate/Cheek	Female	0.1 (0.0, 0.2)	–	0.03 (0.0, 0.2)	0.1 (0.0, 0.1)
	Male	0.1 (0.0, 0.2)	0.3 (0.1, 0.7)	0.1 (0.0, 0.3)	0.1 (0.1, 0.1)
Buccal	Female	0.2 (0.1, 0.4)	0.4 (0.2, 0.9)	0.2 (0.1, 0.4)	0.2 (0.2, 0.3)
	Male	0.2 (0.1, 0.4)	0.5 (0.2, 1.0)	0.6 (0.4, 0.9)	0.3 (0.2, 0.3)
Undefined site/Not defined	Female	0.04 (0.0, 0.2)	0.1 (0.0, 0.3)	–	0.1 (0.0, 0.1)
	Male	0.2 (0.1, 0.4)	0.1 (0.0, 0.4)	0.1 (0.0, 0.2)	0.1 (0.1, 0.1)

No cases were observed in the palate/cheek for Pasifika females and in the undefined site for Asian females.