TABLE 4

Laboratory Results of EOS Evaluation

CDC2002, n = 920CDC2010, n = 476
CBC count obtained, na (% of total evaluated)919 (99.6)100 (21)
Abnormal CBC count, n (% of total evaluated)46 (5.0)5 (5.0)
ANC <100020
I/T ratio >0.2445
WBC count <500010
Repeat CBC count (% of total CBC count during both study periods)123 (12.1)
Reason for repeat CBC count
 Inadequate specimen37
 Abnormal hematocrit (>60 or <45)26
 Abnormal WBC count/differential11
 Abnormal platelet (<150 000)11
 False-positive blood culture4
 Non-EOS–associated indicationb34
  • ANC, absolute neutrophil count; I/T, immature neutrophil to total neutrophil.

  • a P < .001.

  • b Primary indication was hyperbilirubinemia.