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Table 2 Demographics of patients who received ED neuroimaging

From: Rapid brain MRI protocols reduce head computerized tomography use in the pediatric emergency department

Variable

All encounters with neuroimaging (N = 2360)

n (%)

Control period (N = 1052)

n (%)

rMRI period (N = 1308)

n (%)

Age

  < 1 year

734 (31.1)

327 (31.1)

407 (31.1)

 1 to < 4 years

283 (12.0)

134 (12.7)

149 (11.4)

 4 to < 12 years

621 (26.3)

278 (26.4)

343 (26.2)

 12 to < 19 years

722 (30.6)

313 (29.8)

409 (31.3)

Number male

1257 (53.3)

660 (50.5)

597 (56.7)

Race

 White

1769 (75.0)

778 (74.0)

991 (75.8)

 Black

458 (19.4)

198 (18.8)

260 (19.9)

 Other

61 (2.6)

30 (2.9)

31 (2.4)

 Unknown

72 (3.1)

46 (4.4)

26 (2.0)

Weekend presentation

566 (24.0)

247 (23.5)

319 (24.4)

Day time (06:00–17:59) presentation

1344 (56.9)

619 (58.8)

725 (55.4)

ESI Codes

 4 or 5

204 (8.6)

62 (5.9)

142 (10.9)

 3

1.769 (75.0)

755 (71.8)

1014 (77.5)

 2

340 (14.4)

208 (19.8)

132 (10.1)

 1

35 (1.5)

19 (1.8)

16 (1.2)

 Not listed

12 (0.5)

8 (0.8)

4 (0.3)

ED Disposition

 Discharged

1219 (54.6)

538 (51.1)

751 (57.4)

 PICU

367 (15.6)

194 (18.4)

173 (13.2)

 Admitted

693 (29.4)

316 (30.0)

377 (28.8)

 Transferred

10 (0.4)

4 (0.4)

6 (0.5)

 Expired

1 (0.0)

0 (0.0)

1 (0.1)

  1. rMRI rapid magnetic resonance imaging, ESI Emergency Severity Index, ED emergency department, PICU pediatric intensive care unit