. 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 3.

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)
Maternal education (y)
≥12	11437	220	98.1 (97.8–98.3)	787	93.1 (92.7–93.6)	995	91.1 (90.5–91.6)	1035	90.3 (89.7–90.9)	404	88.9 (87.9–89.8)
<12	4132	66	98.4 (98.0–98.7)	309	92.6 (91.7–93.3)	381	90.4 (89.4–91.9)	399	89.3 (88.3–90.3)	1056	86.0 (81.3–89.6)
Missing	937	32	—	84	—	113	—	117	—	124	—
Plurality
Singleton	16048	308	98.1 (97.9–98.3)	1129	93.0 (92.6–93.4)^a	1425	90.8 (90.4–91.3)^a	1486	90.1 (89.6–90.5)^a	1518	88.2 (87.2–89.1)^a
Multiple	440	10	97.7 (95.8–98.8)	50	88.6 (85.3–91.2)^a	61	86.0 (82.3–88.9)^a	62	85.5 (81.8–88.6)^a	63	84.4 (79.9–88.0)^a
Missing	18	0	—	1	—	3	—	3	—	3	—
CHDs
No	8576	176	97.9 (97.6–98.2)	343	96.0 (95.5–96.4)^b	417	95.0 (94.5–95.5)^b	444	94.4 (93.8–94.9)^b	460	93.0 (92.0–93.9)^b
Yes	7930	142	98.2 (97.9–98.5)	837	89.6 (88.9–90.2)^b	1072	86.0 (85.2–86.7)^b	1107	85.0 (84.1–85.8)^b	1124	82.2 (80.1–84.1)^b
Missing			—		—	0	—		—		—
Birth cohort
1983–1989	2454	51	97.9 (97.2–98.4)	213	91.3 (90.0–92.4)^b	292	88.1 (86.8–89.3)^b	310	87.4 (86.0–88.6)^b	334	85.7 (84.1–87.1)^b
1990–1996	5441	109	98.0 (97.6–98.3)	477	91.2 (90.5–92.0)^b	589	89.2 (88.3–90.0)^b	624	88.4 (87.6–89.3)^b	—	—
1997–2003	8611	158	98.2 (97.9–98.4)	490	94.3 (93.8–94.8)^b	608	92.5 (91.9–93.0)^b	—	—	—	—

—, no estimates were produced because of small numbers.

P < .001.

P < .0001.