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. Author manuscript; available in PMC: 2018 Mar 4.
Published in final edited form as: South Med J. 2016 Sep;109(9):583–587. doi: 10.14423/SMJ.0000000000000526

Table 1.

Characteristics of readmitted patients and clinic patient controls

Control (n = 100) Readmitted patients (n = 50) P
SS genotype, % 64 74 0.218
Complications, %
 Avascular necrosis 25 52 0.001
 Acute chest syndrome 50 84 <0.001
 Stroke 9 18 0.110
 Deep vein thrombosis 12 28 0.015
 Chronic kidney disease 7 4 0.466
Comorbidities, %
 Asthma 15 36 0.003
 Hypertension 17 28 0.117
 Psychiatric diagnosis 25 48 0.005
 Substance use disorder 18 36 0.015
Utilization
 Admissions 2010 0.48 (0.90) 3.42 (4.03) <0.001
 Admissions 2011 0.52 (1.00) 5.46 (4.16) <0.001

Complications and comorbidities are recorded as lifetime prevalence as of the year studied. Utilization is recorded as mean hospital admissions per year (standard deviation). Statistical tests were χ2 for proportional data or Student t tests for utilization data, as appropriate.