Table 1.

Characteristics of the 819 patients treated with hydroxychloroquine

Age (y)	64.0 ± 10.9
Male	734 (90)
Hypertension	532 (65)
Coronary artery disease	234 (29)
Heart failure	65 (8)
Diabetes	202 (25)
Atrial fibrillation	90 (11)
Chronic kidney disease	99 (12)
End-stage renal failure	10 (1)
SLE	786 (96)
Magnesium (mg/dL)	2.0 ± 0.3
Potassium (mmol/L)	4.1 ± 0.4
Creatinine (mg/dL)	1.0 ± 0.5
eGFR (mL/min/1.73 m2)	78.6 ± 24.7
eGFR (mL/min)	100.5 ± 37.9

Continuous variables were given as mean ± SD. Categorical variables are given as n (%).

eGFR = estimated glomerular filtration rate; SLE = systemic lupus erythematosus.