Patient Controlled Analgesia for Adults with Sickle Cell Disease Awaiting Admission from the Emergency Department

Table 1

ED visit characteristics.

Visits requiring admission	258
Unique patients	52
Gender (% female)	56%
Age, mean (SD)	29 (9)
Race (% black)	90%
Phenotype	71% SS
# of ED visits	6 3, 13
% high ED utilizers	31%
PCA initiated, (% yes)	230 (89%)
Location of PCA initiation
ED, (%)	157 (68%)
Hospital, (%)	73 (32%)

SS = hemoglobin SS disease.
Over a two-year period; median [interquartile range].