TABLE 2

Radiation Burden of Term and Preterm Infants in the First Year After Discharge From Birth Hospitalization

TermPretermPDegree of PrematurityP
Late PretermVery PretermExtremely Preterm
N20 04920471400375272
Radiation burden, n (%), mSv
 017 278 (86)1525 (75)<.0011120 (80)226 (71)139 (51)<.001
 0–12424 (12)444 (21)245 (18)90 (24)109 (40)
 1–5313 (1.6)64 (3.1)30 (2.1)16 (4.3)18 (6.6)
 5–1013 (0.1)11 (0.5)3 (0.2)3 (0.8)5 (1.8)
 10+21 (0.1)3 (0.1)2 (0.1)0 (0)1 (0.4)
  • —, not applicable.