Table 2. Net survival at 5 years of follow-up by tumour site.

Variable	5yr-NS
	All sites		Lip		Oral cavity		Oropharynx
	%	95%CI	%	95%CI	%	95%CI	%	95%CI
All	46	44–48	88	83–94	41	38–43	27	23–30
Gender
Male	41	39–43	86	80–93	37	33–39	26	23–29
Female	64	59–69	89	80–98	54	48–60	34	20–48
Age group
15–44	42	37–47	94	86–100	42	36–49	25	16–33
45–54	36	33–40	91	82–100	38	33–42	26	21–31
55–64	43	39–47	89	81–97	42	37–47	25	19–31
65–74	50	45–54	89	82–97	39	33–44	28	19–37
75+	60	53–67	85	73–96	43	34–51	35	18–53
Stage at diagnosis
I	84	78–90	93	84–100	76	68–84	66	41–92
II	69	63–76	87	71–100	68	60–76	55	40–70
III	42	37–47	60	31–89	44	37–51	34	25–43
IV	19	16–21	26	0–54	20	17–23	16	12–20
Typology of residence area
Predominantly rural	52	46–59	95	84–100	36	28–44	24	12–35
Medium urban	45	40–50	87	74–100	39	33–45	24	17–32
Predominantly urban	45	42–47	86	78–92	41	38–44	27	23–31
Period of diagnosis
2000–2004	46	42–49	85	78–93	38	34–42	24	18–29
2005–2009	46	43–49	91	83–99	41	39–45	28	24–33