TABLE 2

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

Births<28 d1 y5 y10 y20 y
DeathsSurvival % (95% CI)DeathsSurvival % (95% CI)DeathsSurvival % (95% CI)DeathsSurvival % (95% CI)DeathsSurvival % (95% CI)
Total16 50631898.1 (97.9–98.3)118092.9 (92.5–93.2)148991.0 (90.5–91.4)155190.7 (90.2–91.1)158488.1 (87.0–89.0)
Mother’s race/ ethnicity
 Non-Hispanic White887718397.9 (97.6–98.2)a61893.3 (92.5–93.6)a78490.9 (90.2–91.5)a81890.3 (89.6–90.9)a83988.6 (87.5–89.6)a
 Non-Hispanic Black15763497.8 (97.0–98.4)a15690.2 (88.6–91.6)a20986.1 (84.2–87.8)a22084.8 (82.8–86.6)a22481.5 (75.7–86.1)a
 Hispanic51137398.6 (98.2–98.9)a31893.8 (93.1–94.4)a38392.2 (91.4–92.9)a39191.8 (91.0–92.6)a39690.2 (88.1–92.0)a
 Other8632497.2 (95.8–98.1)a7891.1 (89.0–92.8)a9788.4 (86.0–90.4)a10486.7 (84.0–89.0)a10685.5 (82.3–88.2)a
 Missing77410161819
Infant sex
 Male892818697.9 (97.6–98.2)64492.8 (92.2–93.3)80090.8 (90.1–91.3)83390.0 (89.4–90.7)85388.2 (87.0–89.4)
 Female757713298.3 (97.9–98.5)53692.9 (92.3–93.5)68990.6 (89.9–91.3)71889.0 (89.0–90.5)73187.9 (86.3–89.2)
 Missing100000
Birth wt (g)
 ≥25001282612799.0 (98.8–99.2)a63795.1 (94.7–95.4)a85693.1 (92.6–93.5)a90392.3 (91.8–92.8)a92790.7 (89.9–91.6)a
 1500–249931907497.7 (97.1–98.2)a32789.8 (88.7–90.8)a40686.9 (85.7–88.1)a42085.9 (84.6–87.2)a42682.7 (78.3–86.2)a
 <150047911276.6 (72.6–80.2)a21156.0 (51.4, 60.3)a22253.3 (48.7–57.7)a22352.6 (47.8–57.1)a22648.0 (40.7–55.0)a
 Missing1155555
Maternal age (y)
 <351057218998.2 (97.9–98.5)78992.6 (92.0–93.0)b100590.2 (89.6–90.8)c104684.5 (88.9–90.1)b107187.5 (86.3–88.6)b
 ≥35593312997.8 (97.4–98.2)39193.4 (92.8–94.0)b48491.6 (90.8–92.2)c50590.7 (89.9–91.5)b51389.4 (87.8–90.7)b
 Missing100001
  • —, no estimates were produced because of small numbers.

  • a P < .0001.

  • b P < .05.

  • c P < .01.