Cancer Survival by Stage at Diagnosis in Kuwait: A Population-Based Study
Table 2
Unstandardised net survival (NS, %) at 1 and 5 years since diagnosis, by SEER Summary Stage and calendar period; Kuwaiti adults (15–99 years) diagnosed during 2000–2013 and followed up to 31 December 2015.
Cancer site
Calendar period
1-year net survival
5-year net survival
Localised
Regional
Distant
Unknown stage
All stages
Localised
Regional
Distant
Unknown stage
All stages
NS (%)
95% CI
NS (%)
95% CI
NS (%)
95% CI
NS (%)
95% CI
NS (%)
95% CI
NS (%)
95% CI
NS (%)
95% CI
NS (%)
95% CI
NS (%)
95% CI
NS (%)
95% CI
Stomach
2000–2004
—
53.2
35.7–70.6
40.6
14.6–66.7
46.6
18.7–74.6
50.8
37.7–63.9
—
20.7
6.3–35.1
11.1
0.0–29.3
20.3
0.0–42.2
18.9
8.0–29.9
2005–2009
—
70.4
51.8–88.9
44.7
28.2–61.2
40.3
19.6–61.1
52.6
41.5–63.6
—
32.1
13.0–51.1
0.0
0.0–0.0
15.2
0.6–29.8
15.9
7.8–24.0
2010–2013
—
59.0
37.1–80.8
30.9
7.5–54.4
55.2
38.7–71.7
51.6
39.7–63.5
—
31.9
9.3–54.4
8.0
0.0–19.9
28.9
12.2–45.6
20.6
8.4–32.9
Colon
2000–2004
100.0
86.3–100.0
89.4
84.3–94.5
79.7
66.8–92.5
90.9
74.7–100.0
89.5
85.2–93.7
84.6
66.9–100.0
69.5
61.0–77.9
23.1
9.2–37.0
82.4
52.1–100.0
64.8
57.6–72.0
2005–2009
100.0
89.7–100.0
97.9
95.1–100.0
66.2
56.7–75.8
70.5
56.1–85.0
85.3
81.3–89.4
90.0
76.3–100.0
77.2
69.4–84.9
16.2
8.8–23.7
58.8
41.7–76.0
57.8
51.9–63.7
2010–2013
100.0
86.3–100.0
97.6
94.1–100.0
64.2
54.2–74.3
87.1
80.8–93.4
85.6
81.8–89.5
97.6
80.7–100.0
83.3
72.8–93.8
29.7
18.5–40.8
64.6
51.8–77.4
63.3
56.3–70.2
Rectum
2000–2004
89.4
74.0–100.0
95.0
88.1–100.0
—
—
90.4
83.5–97.2
77.4
54.7–100.0
53.6
38.7–68.6
—
—
60.7
49.2–72.3
2005–2009
100.0
81.5–100.0
97.6
92.4–100.0
75.6
60.3–90.9
93.2
83.8–100.0
92.4
87.3–97.4
99.0
88.5–100.0
70.2
55.9–84.5
19.9
5.2–34.7
61.5
41.8–81.2
60.8
51.3–70.3
2010–2013
100.0
75.3–100.0
100.0
88.4–100.0
59.8
36.9–82.7
94.4
87.5–100.0
91.8
86.3–97.2
86.6
65.8–100.0
76.3
55.0–97.7
23.5
3.0–44.0
72.7
45.1–100.0
67.0
51.7–82.3
Liver
2000–2004
—
32.2
10.4–54.0
27.5
6.2–48.8
35.1
18.8–51.4
34.3
22.8–45.8
—
7.2
0.0–18.0
6.9
0.0–17.4
9.7
0.0–20.0
11.4
3.5–19.2
2005–2009
—
—
26.5
12.7–40.3
41.5
28.3–54.7
36.8
27.4–46.1
—
—
4.4
0.0–10.5
19.3
8.2–30.4
12.4
5.8–19.1
2010–2013
—
50.5
21.5–79.5
29.7
12.0–47.4
33.5
20.2–46.8
36.5
26.3–46.8
—
0.3
0.0–1.0
0.0
0.0–0.0
11.1
1.7–20.6
8.3
1.8–14.9
Pancreas
2000–2004
—
18.5
3.3–33.7
24.7
7.0–42.3
40.3
11.8–68.8
27.8
16.0–39.5
—
9.2
0.0–20.0
5.0
0.0–12.6
10.1
0.0–24.9
11.2
3.1–19.3
2005–2009
—
47.1
22.8–71.3
18.6
8.0–29.3
26.6
9.2–44.0
27.8
18.6–37.0
—
6.9
0.0–17.4
4.5
0.0–9.9
4.4
0.0–11.1
8.2
2.5–13.8
2010–2013
—
87.1
70.4–100.0
24.8
12.4–37.2
46.0
28.6–63.4
43.1
32.9–53.2
—
12.1
0.0–28.3
7.0
0.1–14.0
25.0
6.0–44.1
15.3
6.8–23.8
Lung
2000–2004
—
44.9
33.6–56.2
29.7
18.6–40.7
29.3
11.7–46.8
38.0
30.6–45.3
—
17.1
8.1–26.2
6.8
0.7–12.8
8.9
0.0–19.9
13.7
8.2–19.3
2005–2009
—
59.8
44.8–74.8
34.2
23.9–44.4
46.4
33.2–59.5
45.0
37.8–52.2
—
23.6
10.0–37.2
7.6
1.8–13.5
17.8
7.1–28.5
15.7
10.1–21.3
2010–2013
—
61.5
43.9–79.2
39.6
28.8–50.4
49.8
38.5–61.2
47.9
40.6–55.1
—
17.7
2.3–33.0
6.7
0.4–12.9
19.0
7.5–30.5
13.9
7.6–20.3
Breast
2000–2004
99.0
96.7–100.0
96.8
95.0–98.7
85.5
75.2–95.9
87.6
75.9–99.2
96.0
94.3–97.7
88.6
81.4–95.7
76.7
72.3–81.2
44.5
29.6–59.3
66.7
48.8–84.6
76.1
72.4–79.9
2005–2009
99.3
97.7–100.0
98.0
96.5–99.5
80.1
73.0–87.1
94.3
90.3–98.4
95.4
93.9–96.8
98.2
94.4–100.0
80.8
76.8–84.9
30.7
22.5–39.0
78.3
70.3–86.4
77.7
74.7–80.7
2010–2013
99.7
98.4–100.0
97.8
96.1–99.6
79.3
71.3–87.3
97.3
95.4–99.2
96.2
94.8–97.5
95.0
89.2–100.0
85.4
80.2–90.7
38.2
27.9–48.6
89.0
83.7–94.2
82.6
79.3–85.9
Cervix
2000–2004
84.6
68.6–100.0
89.8
78.5–100.0
—
80.2
56.4–100.0
84.4
75.2–93.6
54.4
31.9–76.9
59.3
40.6–78.0
—
80.4
56.6–100.0
57.8
45.0–70.6
2005–2009
93.6
81.3–100.0
80.7
63.5–97.8
—
90.7
78.1–100.0
88.7
80.4–97.0
88.4
71.5–100.0
68.3
47.1–89.4
—
72.9
52.5–93.3
73.8
61.7–86.0
2010–2013
—
91.1
74.9–100.0
—
78.6
61.7–95.4
86.3
75.6–96.9
—
94.7
77.9–100.0
—
62.2
42.1–82.2
71.8
57.2–86.5
Ovary
2000–2004
100.0
69.2–100.0
77.3
62.2–92.4
56.7
33.7–79.7
—
73.4
62.2–84.5
100.0
69.2–100.0
36.0
18.5–53.4
6.4
0.0–16.3
—
38.9
26.3–51.5
2005–2009
100.0
69.2–100.0
95.8
87.6–100.0
64.4
48.8–80.0
74.9
57.2–92.6
79.0
70.5–87.4
81.1
57.3–100.0
54.2
32.6–75.8
23.1
9.5–36.7
43.4
22.5–64.3
42.6
32.0–53.3
2010–2013
—
84.1
66.9–100.0
64.3
43.0–85.6
81.9
67.4–96.3
78.3
68.3–88.3
—
61.6
37.6–85.6
0.1
0.0–0.2
60.6
41.9–79.3
40.3
22.1–58.5
Prostate
2000–2004
100.0
87.2–100.0
91.7
80.8–100.0
72.4
56.3–88.6
88.5
72.7–100.0
88.8
82.0–95.5
93.3
69.3–100.0
88.2
69.1–100.0
40.9
20.6–61.1
96.9
72.8–100.0
78.8
66.7–90.9
2005–2009
100.0
91.8–100.0
88.0
72.8–100.0
83.6
72.1–95.0
87.1
76.9–97.3
90.6
85.3–96.0
96.6
80.6–100.0
76.3
55.0–97.6
43.5
27.1–59.9
72.5
55.5–89.4
71.3
61.6–80.9
2010–2013
100.0
97.3–100.0
100.0
78.2–100.0
99.5
91.7–100.0
94.4
88.9–99.8
97.9
94.7–100.0
100.0
100.0–100.0
56.2
11.3–100.0
81.4
57.2–100.0
98.3
84.1–100.0
98.1
88.6–100.0
SEER SS: Surveillance, Epidemiology, and End Results Summary Stage; CI: confidence interval.