Table 1.

Baseline Characteristics of All Participants and Participants Who Experienced a Recurrence of Ocular Herpes Simplex Virus, Herpetic Eye Disease Study, 1993–1997

Characteristic	All Participants (n = 308)			Participants With Ocular HSV Recurrence (n = 44)
	No.	%	Median (IQR)	No.	%	Median (IQR)
Age at randomization, years			49 (37–63)			54 (38–65)
Female gender	147	48		22	50
Race/ethnicity
White	263	85		41	93
African-American	20	6		1	2
Othera	25	8		2	5
Acyclovir treatment group	155	50		23	52
Study center location
New Orleans, Louisiana	33	11		5	11
Houston, Texas	21	7		2	5
San Francisco, California	61	20		5	11
Atlanta, Georgia	66	21		10	23
Chicago, Illinois	44	14		8	18
Milwaukee, Wisconsin	37	12		6	14
Philadelphia, Pennsylvania	21	7		6	14
New York, New York	25	8		2	5
No. of prior HSV recurrencesb
Ocular			4 (1–5)			3 (2–6)
Nonocular			5 (0–11)			0 (0–9)

Abbreviations: HSV, herpes simplex virus; IQR, interquartile range.

^a Includes persons who reported their race/ethnicity as Asian (2 cases, 18 in total) or Hispanic (no cases, 7 in total).

^b Numbers of prior recurrences of HSV were self-reported at study enrollment.