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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: South Med J. 2016 Sep;109(9):519–524. doi: 10.14423/SMJ.0000000000000512

Table 4.

Median regression risk factor models for utilization rates

Variable Urgent care (ED or SCIC) visits/y Admissions/y
Coeff 95% CI Coeff 95% CI
Avascular necrosis 0.98* 0.17–1.78 0.36* 0.01–0.70
ACS 1.95** 0.58–3.32 0.78*** 0.42–1.14
Pneumonia 0.67* 0.08–1.26 0.28 −0.00 to 0.56
DVT 0.31 −2.07 to 2.68 0.03 −0.35 to 0.40
CVA 0.00 −1.07 to 1.08 0.06 −0.24 to 0.36
Retinopathy 0.26 −0.72 to 1.24 0.14 −0.15 to 0.43
Cholecystectomy −0.51 −1.17 to 0.14 −0.06 −0.35 to 0.23
SS genotype 0.26 −0.54 to 1.05 0.14 −0.17 to 0.45

ACS, acute chest syndrome; CI, confidence interval; coeff, coefficient; CVA, cerebrovascular accident; DVT, deep vein thrombosis; ED, emergency department; SCIC, Sickle Cell Infusion Center; SS, Sβ0 thalassemia.

*

P ≤ 0.05;

**

P ≤ 0.01;

***

P ≤ 0.005.