Research Article

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 siteCalendar period1-year net survival5-year net survival
LocalisedRegionalDistantUnknown stageAll stagesLocalisedRegionalDistantUnknown stageAll stages
NS (%)95% CINS (%)95% CINS (%)95% CINS (%)95% CINS (%)95% CINS (%)95% CINS (%)95% CINS (%)95% CINS (%)95% CINS (%)95% CI

Stomach2000–200453.235.7–70.640.614.6–66.746.618.7–74.650.837.7–63.920.76.3–35.111.10.0–29.320.30.0–42.218.98.0–29.9
2005–200970.451.8–88.944.728.2–61.240.319.6–61.152.641.5–63.632.113.0–51.10.00.0–0.015.20.6–29.815.97.8–24.0
2010–201359.037.1–80.830.97.5–54.455.238.7–71.751.639.7–63.531.99.3–54.48.00.0–19.928.912.2–45.620.68.4–32.9

Colon2000–2004100.086.3–100.089.484.3–94.579.766.8–92.590.974.7–100.089.585.2–93.784.666.9–100.069.561.0–77.923.19.2–37.082.452.1–100.064.857.6–72.0
2005–2009100.089.7–100.097.995.1–100.066.256.7–75.870.556.1–85.085.381.3–89.490.076.3–100.077.269.4–84.916.28.8–23.758.841.7–76.057.851.9–63.7
2010–2013100.086.3–100.097.694.1–100.064.254.2–74.387.180.8–93.485.681.8–89.597.680.7–100.083.372.8–93.829.718.5–40.864.651.8–77.463.356.3–70.2

Rectum2000–200489.474.0–100.095.088.1–100.090.483.5–97.277.454.7–100.053.638.7–68.660.749.2–72.3
2005–2009100.081.5–100.097.692.4–100.075.660.3–90.993.283.8–100.092.487.3–97.499.088.5–100.070.255.9–84.519.95.2–34.761.541.8–81.260.851.3–70.3
2010–2013100.075.3–100.0100.088.4–100.059.836.9–82.794.487.5–100.091.886.3–97.286.665.8–100.076.355.0–97.723.53.0–44.072.745.1–100.067.051.7–82.3

Liver2000–200432.210.4–54.027.56.2–48.835.118.8–51.434.322.8–45.87.20.0–18.06.90.0–17.49.70.0–20.011.43.5–19.2
2005–200926.512.7–40.341.528.3–54.736.827.4–46.14.40.0–10.519.38.2–30.412.45.8–19.1
2010–201350.521.5–79.529.712.0–47.433.520.2–46.836.526.3–46.80.30.0–1.00.00.0–0.011.11.7–20.68.31.8–14.9

Pancreas2000–200418.53.3–33.724.77.0–42.340.311.8–68.827.816.0–39.59.20.0–20.05.00.0–12.610.10.0–24.911.23.1–19.3
2005–200947.122.8–71.318.68.0–29.326.69.2–44.027.818.6–37.06.90.0–17.44.50.0–9.94.40.0–11.18.22.5–13.8
2010–201387.170.4–100.024.812.4–37.246.028.6–63.443.132.9–53.212.10.0–28.37.00.1–14.025.06.0–44.115.36.8–23.8

Lung2000–200444.933.6–56.229.718.6–40.729.311.7–46.838.030.6–45.317.18.1–26.26.80.7–12.88.90.0–19.913.78.2–19.3
2005–200959.844.8–74.834.223.9–44.446.433.2–59.545.037.8–52.223.610.0–37.27.61.8–13.517.87.1–28.515.710.1–21.3
2010–201361.543.9–79.239.628.8–50.449.838.5–61.247.940.6–55.117.72.3–33.06.70.4–12.919.07.5–30.513.97.6–20.3

Breast2000–200499.096.7–100.096.895.0–98.785.575.2–95.987.675.9–99.296.094.3–97.788.681.4–95.776.772.3–81.244.529.6–59.366.748.8–84.676.172.4–79.9
2005–200999.397.7–100.098.096.5–99.580.173.0–87.194.390.3–98.495.493.9–96.898.294.4–100.080.876.8–84.930.722.5–39.078.370.3–86.477.774.7–80.7
2010–201399.798.4–100.097.896.1–99.679.371.3–87.397.395.4–99.296.294.8–97.595.089.2–100.085.480.2–90.738.227.9–48.689.083.7–94.282.679.3–85.9

Cervix2000–200484.668.6–100.089.878.5–100.080.256.4–100.084.475.2–93.654.431.9–76.959.340.6–78.080.456.6–100.057.845.0–70.6
2005–200993.681.3–100.080.763.5–97.890.778.1–100.088.780.4–97.088.471.5–100.068.347.1–89.472.952.5–93.373.861.7–86.0
2010–201391.174.9–100.078.661.7–95.486.375.6–96.994.777.9–100.062.242.1–82.271.857.2–86.5

Ovary2000–2004100.069.2–100.077.362.2–92.456.733.7–79.773.462.2–84.5100.069.2–100.036.018.5–53.46.40.0–16.338.926.3–51.5
2005–2009100.069.2–100.095.887.6–100.064.448.8–80.074.957.2–92.679.070.5–87.481.157.3–100.054.232.6–75.823.19.5–36.743.422.5–64.342.632.0–53.3
2010–201384.166.9–100.064.343.0–85.681.967.4–96.378.368.3–88.361.637.6–85.60.10.0–0.260.641.9–79.340.322.1–58.5

Prostate2000–2004100.087.2–100.091.780.8–100.072.456.3–88.688.572.7–100.088.882.0–95.593.369.3–100.088.269.1–100.040.920.6–61.196.972.8–100.078.866.7–90.9
2005–2009100.091.8–100.088.072.8–100.083.672.1–95.087.176.9–97.390.685.3–96.096.680.6–100.076.355.0–97.643.527.1–59.972.555.5–89.471.361.6–80.9
2010–2013100.097.3–100.0100.078.2–100.099.591.7–100.094.488.9–99.897.994.7–100.0100.0100.0–100.056.211.3–100.081.457.2–100.098.384.1–100.098.188.6–100.0

SEER SS: Surveillance, Epidemiology, and End Results Summary Stage; CI: confidence interval.