Cancer Survival by Stage at Diagnosis in Kuwait: A Population-Based Study

Table 1

Number of patients and distribution of SEER Summary Stage at diagnosis, by cancer and calendar period; Kuwaiti adults (15–99 years).

Cancer site	No. of cases
	2000–2004		2005–2009		2010–2013		All periods
	(n)	(%)	(n)	(%)	(n)	(%)	(n)	(%)
Oesophagus
Localised	6	22.2	2	8.3	3	7.7	11	12.2
Regional	10	37.0	6	25.0	4	10.3	20	22.2
Distant	4	14.8	8	33.3	9	23.1	21	23.3
Unknown	7	25.9	8	33.3	23	59.0	38	42.2
Total	27		24		39		90
Stomach
Localised	2	3.4	2	2.5	2	2.9	6	2.9
Regional	32	54.2	23	29.1	19	27.5	74	35.8
Distant	13	22.0	34	43.0	13	18.8	60	29.0
Unknown	12	20.3	20	25.3	35	50.7	67	32.4
Total	59		79		69		207
Colon
Localised	25	10.6	34	10.5	25	7.2	84	9.3
Regional	162	68.4	151	46.5	110	31.8	423	46.6
Distant	39	16.5	99	30.5	90	26.0	228	25.1
Unknown	11	4.6	41	12.6	121	35.0	173	19.1
Total	237		325		346		908
Rectum
Localised	19	22.4	18	13.9	13	11.3	50	15.2
Regional	48	56.5	53	40.8	30	26.1	131	39.7
Distant	9	10.6	31	23.9	17	14.8	57	17.3
Unknown	9	10.6	28	21.5	55	47.8	92	27.9
Total	85		130		115		330
Liver
Localised	3	4.4	5	4.7	4	4.6	12	4.6
Regional	17	25.0	8	7.6	10	11.5	35	13.4
Distant	15	22.1	39	36.8	24	27.6	78	29.9
Unknown	33	48.5	54	50.9	49	56.3	136	52.1
Total	68		106		87		261
Pancreas
Localised	2	3.5	4	4.4	1	1.1	7	2.9
Regional	23	40.4	15	16.5	15	16.3	53	22.1
Distant	22	38.6	49	53.9	45	48.9	116	48.3
Unknown	10	17.5	23	25.3	31	33.7	64	26.7
Total	57		91		92		240
Lung
Localised	9	5.0	7	3.7	2	1.1	18	3.2
Regional	78	43.6	43	22.5	30	16.0	151	27.1
Distant	66	36.9	84	44.0	80	42.6	230	41.2
Unknown	26	14.5	57	29.8	76	40.4	159	28.5
Total	179		191		188		558
Melanoma
Localised	1	20.0	1	14.3	1	16.7	3	16.7
Regional	2	40.0	1	14.3	1	16.7	4	22.2
Distant	1	20.0	3	42.9	0	0.0	4	22.2
Unknown	1	20.0	2	28.6	4	66.7	7	38.9
Total	5		7		6		18
Breast
Localised	117	18.7	213	22.4	149	15.1	479	18.7
Regional	431	68.9	461	48.6	374	37.9	1,266	49.4
Distant	47	7.5	126	13.3	102	10.3	275	10.7
Unknown	31	5.0	149	15.7	361	36.6	541	21.1
Total	626		949		986		2,561
Cervix
Localised	19	30.7	15	25.4	6	14.3	40	24.5
Regional	28	45.2	20	33.9	11	26.2	59	36.2
Distant	5	8.1	3	5.1	2	4.8	10	6.1
Unknown	10	16.1	21	35.6	23	54.8	54	33.1
Total	62		59		42		163
Ovary
Localised	10	16.1	10	10.9	3	4.5	23	10.4
Regional	30	48.4	23	25.0	18	26.9	71	32.1
Distant	16	25.8	36	39.1	19	28.4	71	32.1
Unknown	6	9.7	23	25.0	27	40.3	56	25.3
Total	62		92		67		221
Prostate
Localised	27	23.3	43	25.4	61	27.2	131	25.7
Regional	36	31.0	21	12.4	15	6.7	72	14.2
Distant	33	28.5	53	31.4	36	16.1	122	24.0
Unknown	20	17.2	52	30.8	112	50.0	184	36.2
Total	116		169		224		509
All cancers
Localised	240	15.2	354	15.9	270	11.9	864	14.2
Regional	897	56.7	825	37.1	637	28.2	2,359	38.9
Distant	270	17.1	565	25.4	437	19.3	1,272	21.0
Unknown	176	11.1	478	21.5	917	40.6	1,571	25.9
Total	1,583		2,222		2,261		6,066