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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Br J Haematol. 2016 Aug 19;175(2):237–245. doi: 10.1111/bjh.14300

Table III.

Sickle cell disease baseline cohort: associations between substance P levels and age, gender, prior pain history and hydroxycarbamide use (n=25)

Covariate β * P-value
Age −0.58 0.36
Gender 0.49 0.93
Prior pain history 0.30 0.52
Hydroxycarbamide# 29.2 0.007
*

Multivariable linear regression

#

reference group is hydroxycarbamide “no”