. Author manuscript; available in PMC: 2015 Aug 24.

Published in final edited form as: Pediatrics. 2012 Dec 17;131(1):e27–e36. doi: 10.1542/peds.2012-1616

TABLE 2.

Survival Probabilities for Infants With DS by Selected Maternal and Child Characteristics in 10 US Regions During 1983–2003

	Births	<28 d		1 y		5 y		10 y		20 y
	Births	Deaths	Survival % (95% CI)	Deaths	Survival % (95% CI)	Deaths	Survival % (95% CI)	Deaths	Survival % (95% CI)	Deaths	Survival % (95% CI)
Total	16 506	318	98.1 (97.9–98.3)	1180	92.9 (92.5–93.2)	1489	91.0 (90.5–91.4)	1551	90.7 (90.2–91.1)	1584	88.1 (87.0–89.0)
Mother’s race/ethnicity
Non-Hispanic White	8877	183	97.9 (97.6–98.2)^a	618	93.3 (92.5–93.6)^a	784	90.9 (90.2–91.5)^a	818	90.3 (89.6–90.9)^a	839	88.6 (87.5–89.6)^a
Non-Hispanic Black	1576	34	97.8 (97.0–98.4)^a	156	90.2 (88.6–91.6)^a	209	86.1 (84.2–87.8)^a	220	84.8 (82.8–86.6)^a	224	81.5 (75.7–86.1)^a
Hispanic	5113	73	98.6 (98.2–98.9)^a	318	93.8 (93.1–94.4)^a	383	92.2 (91.4–92.9)^a	391	91.8 (91.0–92.6)^a	396	90.2 (88.1–92.0)^a
Other	863	24	97.2 (95.8–98.1)^a	78	91.1 (89.0–92.8)^a	97	88.4 (86.0–90.4)^a	104	86.7 (84.0–89.0)^a	106	85.5 (82.3–88.2)^a
Missing	77	4	—	10	—	16	—	18	—	19	—
Infant sex
Male	8928	186	97.9 (97.6–98.2)	644	92.8 (92.2–93.3)	800	90.8 (90.1–91.3)	833	90.0 (89.4–90.7)	853	88.2 (87.0–89.4)
Female	7577	132	98.3 (97.9–98.5)	536	92.9 (92.3–93.5)	689	90.6 (89.9–91.3)	718	89.0 (89.0–90.5)	731	87.9 (86.3–89.2)
Missing	1	0	—	0	—	0	—	0	—	0	—
Birth wt (g)
≥2500	12826	127	99.0 (98.8–99.2)^a	637	95.1 (94.7–95.4)^a	856	93.1 (92.6–93.5)^a	903	92.3 (91.8–92.8)^a	927	90.7 (89.9–91.6)^a
1500–2499	3190	74	97.7 (97.1–98.2)^a	327	89.8 (88.7–90.8)^a	406	86.9 (85.7–88.1)^a	420	85.9 (84.6–87.2)^a	426	82.7 (78.3–86.2)^a
<1500	479	112	76.6 (72.6–80.2)^a	211	56.0 (51.4, 60.3)^a	222	53.3 (48.7–57.7)^a	223	52.6 (47.8–57.1)^a	226	48.0 (40.7–55.0)^a
Missing	11	5	—	5	—	5	—	5	—	5	—
Maternal age (y)
<35	10572	189	98.2 (97.9–98.5)	789	92.6 (92.0–93.0)^b	1005	90.2 (89.6–90.8)^c	1046	84.5 (88.9–90.1)^b	1071	87.5 (86.3–88.6)^b
≥35	5933	129	97.8 (97.4–98.2)	391	93.4 (92.8–94.0)^b	484	91.6 (90.8–92.2)^c	505	90.7 (89.9–91.5)^b	513	89.4 (87.8–90.7)^b
Missing	1	0	—	0	—	0	—	0	—	1	—

—, no estimates were produced because of small numbers.

P < .0001.

P < .05.

P < .01.