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.