Cancer Survival by Stage at Diagnosis in Kuwait: A Population-Based Study
Table 3
Number of patients, SEER Summary Stage distribution (%), and age-standardised 5-year net survival (NS, %), for adults in Kuwait (Kuwaiti) and the United States (all races), 2004–2009.
Cancer
SEER SS
Kuwait
United States
No. of patients (%)
NS (%)
95% CI
No. of patients (%)
NS (%)
95% CI
Colon
All stages
365
50.6
43.4–57.8
534,721
64.6
64.4–64.9
Localised
(10.7)
—
—
(37.8)
89.7
89.4–90.0
Regional
(46.9)
73.0
66.8–79.3
(34.9)
70.2
69.8–70.6
Distant
(29.9)
13.7
7.7–19.7
(19.3)
13.8
13.4–14.1
Unknown
(12.6)
—
—
(7.9)
49.4
48.6–50.2
Lung
All stages
227
15.3
10.7–20.0
955,184
19.0
18.8–19.1
Localised
(3.5)
—
—
(17.7)
55.1
54.7–55.5
Regional
(22.5)
—
—
(23.4)
26.4
26.0–26.7
Distant
(47.6)
8.0
3.8–12.2
(50.9)
4.8
4.7–4.9
Unknown
(26.4)
—
—
(8.0)
13.8
13.4–14.3
Breast
All stages
1,092
70.8
64.0-77.6
926,271
88.6
88.4–88.8
Localised
(21.9)
94.4
88.4–100.0
(59.1)
98.3
98.1–98.6
Regional
(51.0)
75.7
67.2–84.3
(30.2)
82.3
81.9–82.7
Distant
(12.5)
28.4
22.3–34.5
(5.2)
24.5
23.7–25.2
Unknown
(14.7)
65.7
53.6–77.9
(5.4)
72.6
71.9–73.4
SEER SS: Surveillance, Epidemiology, and End Results Summary Stage; CI: confidence interval.
