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. Author manuscript; available in PMC: 2014 Jul 18.
Published in final edited form as: Am J Hematol. 2011 Aug 2;86(9):756–761. doi: 10.1002/ajh.22098

TABLE III.

Association of Recurrent, Severe Wheezing and Report of Doctor-Diagnosis of Asthma with Rates of Pain and Acute Chest Syndrome in Adults with Sickle Cell Disease

Variable
n = 114
Model 1: Effect of doctor-diagnosed asthma on the rates of pain and ACS events
Model 2: Effect of recurrent, severe wheezing on the rates of pain and ACS events
RR (95% CI) P value RR (95% CI) P value
Paina
Recurrent, severe wheezing 2.0 (1.2–3.4) 0.005
Doctor-diagnosed asthma 0.99 (0.6–1.7) 0.46
ACSb
Recurrent, severe wheezing 2.1 (1.1–4.0) 0.03
Doctor-diagnosed asthma 1.3 (0.7–2.6) 0.97

ACS, acute chest syndrome; SCD, sickle cell disease.

a

Pain model was adjusted for SCD phenotype, age, gender, hemoglobin, tobacco smoking, hydroxyurea use.

b

ACS model was adjusted for SCD phenotype, age, hemoglobin, white blood cell count, tobacco smoking, hydroxyurea use.