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Table 1 Characteristics of newborns with lumbar punctures being performed versus all other newborns in the United States, 2009

From: Variation in lumbar punctures for early onset neonatal sepsis: a nationally representative serial cross-sectional analysis, 2003-2009

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)