Table 1.

Demographic data of normal controls and patients with herpes zoster ophthalmicus.

	Controls	HZO	P value
Number of patients (n)	24	24	n/a
Age (years)	55.6 ± 1.9	60.1 ± 3.0	0.2
Gender (male/female)	9/15	11/13	0.5
Sensation (cm)	5.9 ± 0.04	2.7 ± 0.5	<0.0001
Disease duration (months)	n/a	57.0 ± 11.3	n/a
Number of episodes (n)	n/a	2.1 ± 0.3	n/a
Time from last episode (months)	n/a	30.4 ± 10.6	n/a
Number of patients by location of scar (no scar/central/peripheral)	n/a	5/11/8	n/a

Values are expressed as mean ± standard error of the mean.

HZO: Herpes zoster ophthalmicus; n/a: not applicable