Table 2.

Frequency of Lab Abnormalities in Patients with Baseline and Monitoring Labs while taking Hydroxychloroquine (N = 289)

Test	Grade 1 or 2 abnormalities	Grade 3 abnormalities	Percentage of severe adverse events that developed
ALT
Baseline	11	0
Monitoring	27	1	0.35% (N = 1/289)
AST
Baseline	16	0
Monitoring	37	2	0.69% (N = 2/289)
AP
Baseline	28	0
Monitoring	55	1	0.35% (N = 1/289)
Glucose
Baseline	70	1
Monitoring	97	7	2.08% (N = 6/289)
GFR
Baseline	141	6
Monitoring	162	9	1.04% (N = 3/289)
Creatinine
Baseline	40	2
Monitoring	64	3	0.35% (N = 1/289)
Total bilirubin
Baseline	7	0
Monitoring	20	0	0%
White blood cells
Baseline	33	0
Monitoring	66	1	0.35% (N = 1/289)
Hemoglobin
Baseline	72	1
Monitoring	102	6	1.73% (N = 5/289)
Absolute neutrophils
Baseline	10	1
Monitoring	31	6	1.73% (N = 5/289)
Absolute lymphocytes
Baseline	16	2
Monitoring	50	10	2.77% (N = 8/289)
Platelets
Baseline	5	0
Monitoring	19	0	0%