Table 1.

Estimated Number of Injection-involved Overdose Deaths Among Adults, United States, 2018 (Step 1)

	Overdose Deaths	Injection-involved Deaths (95% CI)	Row % (95% CI)
Overall	67 021	28 257 (28 192–28 322)	42.2 (42.1–42.3)
US Census Region
ȃMidwest	15 060	6758 (6722–6795)	44.9 (44.6–45.1)
ȃNortheast	15 539	7615 (7589–7641)	49.0 (48.8–49.2)
ȃSouth	24 175	9964 (9924–10 004)	41.2 (41.1–41.4)
ȃWest	12 247	3919 (3898–3940)	32.0 (31.8–32.2)
Sex
ȃFemale	22 270	8030 (7996–8063)	36.1 (35.9–36.2)
ȃMale	44 751	20 227 (20 172–20 284)	45.2 (45.1–45.3)
Race/ethnicity
ȃHispanic	6274	2565 (2548–2581)	40.9 (40.6–41.1)
ȃNon-Hispanic Black	9213	1609 (1591–1628)	17.5 (17.3–17.7)
ȃNon-Hispanic Other	1500	479 (473–485)	31.9 (31.5–32.3)
ȃNon-Hispanic White	50 034	23 604 (23 545–23 664)	47.2 (47.1–47.3)
Age, y
ȃ18–39	29 317	15 934 (15 899–15 970)	54.4 (54.2–54.5)
ȃ40+	37 704	12 322 (12 269–12 377)	32.7 (32.5–32.8)

Note: 95% CI is estimated using 10 000 bootstrap iterations.

Abbreviation: CI, confidence interval.