Table 3.

Unadjusted annual incremental health care costs by age and cohort.

	HZ Cohort vs. Matched Non-HZ Controls			HZ Non-PHN Cohort vs. Matched Non-HZ Controls			PHN Cohort vs. Matched Non-HZ Controls
Age Group	Mean	Lower 95% CI	Upper 95% CI	Mean	Lower 95% CI	Upper 95% CI	Mean	Lower 95% CI	Upper 95% CI
Overall	$2,564	$2,417	$2,711	$2,023	$1,873	$2,173	$10,148	$9,477	$10,818
50–59 years	$1,952	$1,780	$2,123	$1,563	$1,389	$1,737	$10,193	$9,254	$11,131
60–64 years	$1,995	$1,647	$2,343	$1,524	$1,175	$1,872	$10,576	$8,516	$12,636
65–69 years	$2,166	$1,578	$2,754	$1,373	$764	$1,982	$11,290	$9,112	$13,467
70–79 years	$3,097	$2,629	$3,565	$2,424	$1,930	$2,918	$9,036	$7,579	$10,493
80+ years	$5,442	$4,879	$6,005	$4,688	$4,082	$5,294	$10,231	$8,720	$11,743

CI = confidence interval; HZ = herpes zoster; PHN = postherpetic neuralgia.