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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: J Rheumatol. 2015 Oct 1;42(11):2092–2097. doi: 10.3899/jrheum.150379

Table 3. Mean SLEDAI and Physician Global Assessment Values for Patients who: Experienced at Least One Visit in Compliance (HCQ of 500+ ng/ml) and One Visit: Out of Compliance (Hydroxychloroquine below 500 ng/ml).

Measure Mean (SD)
at visits in
therapeutic
range		 Mean (SD)
at visits below
therapeutic range		 Mean (SD)
Difference		 P-value1
SLEDAI (n=246) 2.37 (2.56) 2.51 (3.02) 0.14 (2.35) 0.34
PGA (n=244) 0.65 (0.59) 0.68 (0.64) 0.03 (0.43) 0.30

SLEDAI= Systemic Lupus Erythematosus Disease Activity Index, PGA=Physician Global Assessment.

1

P-value testing whether difference is significantly different from 0.