The Journal of the Arkansas Medical Society Issue 3 Vol 115 | Page 11

Table 2. Comparison of multiphase CT abdomen and pelvis imaging between
community hospitals and Arkansas Children’s Hospital.
Community Hospitals Arkansas Children’s
Hospital
Number of Exams 178 111
Single Phase 133 106
Multiple Phases 45 5
25% 4.5%
Multiphase %
(SD 51.3 mGy) and for ACH was 9.7 mGy (SD
6.9 mGy). The mean SSDE of the community
hospital group was 272% that of the children’s
hospital and the difference was extremely sig-
nificant (P = 0.0007). The mean effective dose
for the community hospital group was 13 mSv
(SD 12.4 mSv) and for ACH was 6.6 mSv (SD 5.9
mSv). The mean effective dose of the commu-
nity hospital group was 197% of the children’s
hospital, which was extremely significant (P
< 0.0001). Multiphase imaging (Table