Skip to main content
. 2012 Aug 28;12:134. doi: 10.1186/1471-2431-12-134

Table 1.

Characteristics of newborns with lumbar punctures being performed versus all other newborns in the United States, 2009

Newborn Characteristics
 
Term newborns with LP 13,694
All other term newborns 3,684,437
National Estimated Total Percent (95% CI) Percent (95% CI)
Gender
Female
43.1 (42.0–44.2)
48.6 (48.5–48.8)
Payer type
Medicaid
51.9 (49.4–54.4)
45.1 (43.8–46.4)
Private
41.3 (38.6–44.1)
47.8 (46.4–49.1)
Uninsured
3.9 (3.1–4.8)
4.4 (4.0–4.8)
Other
3.0 (2.3–3.9)
2.8 (2.5–3.0)
Income Quartile
First (<40 k, US$)
30.9 (27.7–34.2)
27.8 (26.5–29.0)
Second (40–49 k, US$)
24.2 (22.0–26.5)
26.2 (25.4–27.1)
Third (50–65 k, US$)
24.0 (22.4–25.7)
24.9 (24.1–25.7)
Fourth (>66 k, US$)
21.0 (17.2–25.4)
21.1 (19.9–22.5)
Hospital type
Urban
94.8 (93.6–95.7)
87.3 (86.6–87.9)
Teaching
60.8 (56.0–65.4)
43.1 (41.3–44.9)
Children’s
23.0 (17.0–30.3)
11.2 (9.2–13.6)
Hospital Region
South
38.5 (33.9–49.4)
38.4 (36.7–40.1)
Northeast
21.2 (17.8–25.1)
15.9 (14.8–17.0)
West
20.9 (16.0–26.8)
24.2 (22.9–25.4)
Midwest
19.4 (16.2–23.0)
21.6 (20.5–22.7)
Diagnosis
Any respiratory diagnosis
50.8 (49.0–52.5)
5.9 (5.8–6.1)
Any infection
49.2 (46.4–51.9)
1.3 (1.2–1.4)
Temperature instability
14.0 (12.7–15.3)
3.3 (3.1–3.5)
Meningitis 2.7 (2.2–3.3) 0.0017 (0.0012–0.0023)