TABLE. Gastroschisis cases, gastroschisis prevalence, and prevalence ratio (PR), by maternal age group and race/ethnicity for two periods — 20 U.S. states, 2006–2015*.
| Maternal age group (yrs),† race/ethnicity | 2006–2010 |
2011–2015 |
2006–2015 |
PR¶ (95% CI) | |||
|---|---|---|---|---|---|---|---|
| No. of cases | Prevalence§ (95% CI) | No. of cases | Prevalence§ (95% CI) | No. of cases | Prevalence§ (95% CI) | ||
|
<20 yrs
| |||||||
| White, non-Hispanic |
461 |
17.1 (15.6–18.7) |
420 |
17.2 (15.6–18.9) |
881 |
17.1 (16.0–18.3) |
1.0 (0.9–1.1) |
| Black, non-Hispanic |
172 |
9.0 (7.7–10.5) |
148 |
9.4 (8.0–11.1) |
320 |
9.2 (8.2–10.3) |
1.0 (0.8–1.3) |
| Hispanic |
489 |
14.7 (13.4–16.1) |
425 |
17.5 (15.9–19.2) |
914 |
15.9 (14.9–16.9) |
1.2 (1.0–1.4)** |
| A/PI or AI/AN, non-Hispanic |
48 |
26.0 (19.2–34.5) |
36 |
25.6 (18.0–35.5) |
84 |
25.8 (20.6–32.0) |
1.0 (0.6–1.5) |
|
Total
††
|
1,194
|
14.5 (13.7–15.3)
|
1,055
|
15.7 (14.8–16.7)
|
2,249
|
15.0 (14.4–15.7)
|
1.1 (1.0–1.2)
|
|
20–24 yrs
| |||||||
| White, non-Hispanic |
676 |
7.9 (7.3–8.5) |
998 |
10.4 (9.8–11.1) |
1,674 |
9.2 (8.8–9.7) |
1.3 (1.2–1.5) ** |
| Black, non-Hispanic |
169 |
4.4 (3.8–5.2) |
246 |
5.4 (4.8–6.1) |
415 |
5.0 (4.5–5.5) |
1.2 (1.0–1.5) |
| Hispanic |
457 |
7.0 (6.4–7.7) |
507 |
8.7 (8.0–9.5) |
964 |
7.8 (7.4–8.4) |
1.2 (1.1–1.4) ** |
| A/PI or AI/AN, non-Hispanic |
52 |
7.6 (5.7–10.0) |
56 |
8.2 (6.2–10.7) |
108 |
7.9 (6.5–9.6) |
1.1 (0.7–1.6) |
|
Total
††
|
1,389
|
7.0 (6.6–7.4)
|
1,859
|
8.9 (8.5–9.3)
|
3,248
|
8.0 (7.7–8.2)
|
1.3 (1.2–1.4)**
|
|
25–29 yrs
| |||||||
| White, non-Hispanic |
298 |
2.5 (2.2–2.8) |
495 |
3.4 (3.1–3.7) |
793 |
3.0 (2.8–3.2) |
1.4 (1.2–1.6)** |
| Black, non-Hispanic |
51 |
1.6 (1.2–2.1) |
89 |
2.3 (1.8–2.8) |
140 |
2.0 (1.7–2.3) |
1.4 (1.0–2.0) |
| Hispanic |
153 |
2.5 (2.1–2.9) |
188 |
3.2 (2.8–3.7) |
341 |
2.8 (2.5–3.2) |
1.3 (1.0–1.6)** |
| A/PI or AI/AN, non-Hispanic |
18 |
1.2 (0.7–1.9) |
38 |
2.3 (1.6–3.1) |
56 |
1.8 (1.3–2.3) |
1.9 (1.1–3.3)** |
|
Total
††
|
536
|
2.3 (2.1–2.5)
|
828
|
3.1 (2.9–3.4)
|
1,364
|
2.8 (2.6–2.9)
|
1.3 (1.2–1.5)**
|
|
≥30 yrs
| |||||||
| White, non-Hispanic |
147 |
0.8 (0.7–0.9) |
242 |
1.1 (0.9–1.2) |
389 |
0.9 (0.9–1.0) |
1.3 (1.1–1.6)** |
| Black, non-Hispanic |
28 |
0.8 (0.5–1.1) |
46 |
1.0 (0.7–1.3) |
74 |
0.9 (0.7–1.1) |
1.2 (0.8–2.0) |
| Hispanic |
51 |
0.7 (0.6–1.0) |
83 |
1.1 (0.9–1.3) |
134 |
0.9 (0.8–1.1) |
1.5 (1.0–2.1)** |
| A/PI or AI/AN, non-Hispanic |
14 |
0.5 (0.3–0.9) |
21 |
0.6 (0.4–0.9) |
35 |
0.6 (0.4–0.8) |
1.2 (0.6–2.3) |
|
Total
††
|
249
|
0.8 (0.7–0.9)
|
404
|
1.0 (0.9–1.1)
|
653
|
0.9 (0.8–1.0)
|
1.3 (1.1–1.6)**
|
|
All ages
| |||||||
| White, non-Hispanic |
1,616 |
3.9 (3.7–4.1) |
2,161 |
4.4 (4.2–4.6) |
3,777 |
4.2 (4.0–4.3) |
1.1 (1.1–1.2)** |
| Black, non-Hispanic |
432 |
3.5 (3.1–3.8) |
532 |
3.6 (3.3–3.9) |
964 |
3.5 (3.3–3.8) |
1.0 (0.9–1.2) |
| Hispanic |
1,183 |
5.2 (4.9–5.5) |
1,207 |
5.5 (5.2–5.9) |
2,390 |
5.4 (5.1–5.6) |
1.1 (1.0–1.2)** |
| A/PI or AI/AN, non-Hispanic |
132 |
2.6 (2.2–3.1) |
152 |
2.6 (2.2–3.0) |
284 |
2.6 (2.3–2.9) |
1.0 (0.8–1.2) |
| Total †† | 3,489 | 4.2 (4.0–4.3) | 4,166 | 4.5 (4.3–4.6) | 7,655 | 4.3 (4.2–4.4) | 1.1 (1.0–1.1)** |
Abbreviations: A/PI = Asian/Pacific Islander; AI/AN = American Indian/Alaska Native; CI = confidence interval.
* States contributing to the table: Arizona, CDC/Georgia (Metropolitan Atlanta Congenital Defects Program), Illinois, Kansas, Kentucky, Louisiana (2010–2015), Massachusetts, Minnesota, Nebraska, New Jersey, New York, North Carolina, Ohio (2010–2015), Rhode Island, South Carolina (2010–2015), Tennessee (2010–2015), Texas, Utah, Vermont (2009–2015), and Virginia. Data were provided from 2006 to 2015 unless otherwise noted.
† Cases missing information on maternal age are not included in this table.
§ Prevalence per 10,000 live births.
¶ Unrounded prevalence for 2011–2015 divided by the unrounded prevalence for 2006–2010.
** Denotes a statistically significant confidence interval.
†† Total includes non-Hispanic white, non-Hispanic black, Hispanic, non-Hispanic A/PI, non-Hispanic AI/AN, and other/unknown maternal race/ethnicity.