Salivary gland carcinoma in Shanghai (2003–2012): an epidemiological study of incidence, site and pathology

BMC Cancer

Table 2 Incidence of SGC according to anatomic subsites in Shanghai from 2003 to 2012

Location	Males			Females			Total			Median age	M/F ratio
Location	No. of cases	CR	ASR	No. of cases	CR	ASR	No. of cases	CR	ASR	Median age	M/F ratio
Major salivary gland
Parotid	527	7.63	4.50	449	6.51	3.99	976	7.07	4.21	57	1.17
Submandibular	150	2.17	1.24	100	1.45	0.86	250	1.81	1.04	59	1.50
Sublingual	47	0.68	0.39	40	0.58	0.35	87	0.63	0.37	58	1.18
Minor salivary gland
Palate	77	1.12	0.68	109	1.58	1.15	186	1.35	0.92	55	0.71
Bucca	61	0.88	0.49	86	1.25	0.74	147	1.06	0.59	73	0.71
Tongue &Tongue base	32	0.46	0.28	31	0.45	0.33	63	0.46	0.30	55	1.03
Other & Unspecified	67	0.97	0.56	55	0.80	0.48	122	0.88	0.51	58	1.22
Total	961	13.91	8.22	870	12.62	7.85	1831	13.26	7.99	58	1.10

The incidence rates are expressed per 1,000,000 person-year
SGC salivary gland cancer; CR crude rate, ASR age-standardised rate, M/F male/female

ISSN: 1471-2407