Table 3.

Incidence rate and trend in gastric non-Hodgkin lymphoma among US adults aged ≥20, 2000–2019.

	Case number No. %	Incidence rate, 2000 (95% CI)	Incidence rate, 2019 (95% CI)	Average APC, 2000-2009 (95% CI)	Average APC, 2010-2019 (95% CI)	Average APC, 2000–2019 (95% CI)
Overall	23,782	1.4 (1.3–1.4)	0.9 (0.8–0.9)	−2.6* (−2.9 to −2.3)	−2.6* (−2.9 to −2.3)	−2.6* (−2.9 to −2.3)
Sex
Men	12,894 (54.2)	1.7 (1.5–1.8)	1.1 (1.0–1.2)	−2.6* (−3.1 to −2.2)	−2.6* (−3.1 to −2.2)	−2.6* (−3.1 to −2.2)
Women	10,888 (45.8)	1.1 (1.0–1.2)	0.7 (0.6–0.8)	−2.7* (−3.0 to −2.3)	−2.7* (−3.0 to −2.3)	−2.7* (−3.0 to −2.3)
Age
20–64	9,271 (39.0)	0.6 (0.5–0.6)	0.4 (0.4–0.5)	−1.5* (−1.9 to −1.1)	−1.5* (−1.9 to −1.1)	−1.5* (−1.9 to −1.1)
≥65	14,511 (61.0)	5.0 (4.7–5.4)	2.9 (2.7–3.1)	−3.2* (−3.6 to −2.8)	−3.2* (−3.6 to −2.8)	−3.2* (−3.6 to −2.8)
Race/ethnicity#
Non-Hispanic white	15,276 (64.2)	1.2 (1.1–1.3)	0.7 (0.7–0.8)	−2.9* (−3.3 to −2.6)	−2.9* (−3.3 to −2.6)	−2.9* (−3.3 to −2.6)
Non-Hispanic black	2,330 (9.8)	1.1 (0.9–1.4)	1.0 (0.8–1.2)	−1.3* (−1.9 to −0.6)	−1.3* (−1.9 to −0.6)	−1.3* (−1.9 to −0.6)
Hispanic	4,230 (17.8)	2.2 (1.9–2.6)	1.2 (1.1–1.4)	−2.8* (−3.6 to −2.0)	−2.8* (−3.6 to −2.0)	−2.8* (−3.6 to −2.0)
Non-Hispanic API	1,678 (7.1)	1.6 (1.3–2.0)	0.7 (0.6–0.9)	−3.6* (−4.6 to −2.6)	−3.6* (−4.6 to −2.6)	−3.6* (−4.6 to −2.6)
Geographic location
Metropolitan	21,189 (89.1)	1.4 (1.3–1.4)	0.9 (0.8–0.9)	−2.5* (−2.8 to −2.2)	−2.5* (−2.8 to −2.2)	−2.5* (−2.8 to −2.2)
Nonmetropolitan	2,579 (10.8)	1.4 (1.2–1.6)	0.7 (0.5–0.8)	−3.4* (−4.1 to −2.7)	−3.4* (−4.1 to −2.7)	−3.4* (−4.1 to −2.7)

APC, annual percentage change; API, Asian and Pacific Islander.

^*Indicates the average APC was significantly different from zero.

^#The stratified analysis by race/ethnicity was limited among Non-Hispanic White, Non-Hispanic Black, Hispanic and Non-Hispanic API