Table 2.

Mean total Medicare costs referenced to date of initial biopsy

Group	Baseline (−1 to 0 y) cost	0-1 y unadjusted cost	0-1 y adjusted cost (95% CI)	0-2 y unadjusted cost	0-2 y adjusted cost (95% CI)
Active surveillance	$5283	$9663, n = 11,877	$9687 ($9528-$9848)	$17,972, n = 6,842	$20,321 ($19,865-$20,787)
Prostatectomy	$3955	$22,372, n = 9509	$23,632 ($23,243 - $24,028)	$28,637, n = 5827	$31,922 ($31,192 - $32,668)
Brachytherapy*	$4766	$19,387, n = 2,679	$19,980 ($19,652-$20,313)	$25,302, n = 1713	$27,749 ($27,133-$28,380)
HDR	$5172	$25,365, n = 153	$26,019 ($24,316-$27,841)	$33,759, n = 84	$40,105 ($36,338-$44,264)
LDR	$4784	$19,127, n = 2479	$19,723 ($19,386 - $20,065)	$24,941, n = 1594	$27,162 ($26,535-$27,804)
SBRT	$6017	$27,988, n = 778	$26,895 ($26,460-$27,337)	$35,621, n = 413	$35,140 ($34,343-$35,957)

Abbreviations: CI = confidence interval; HDR = high-dose-rate brachytherapy; LDR = low-dose-rate brachytherapy; SBRT = stereotactic body radiation therapy.

Date of initial biopsy is used as a time reference and occurs at “0 y.”

^*HDR or LDR designation could not be assigned to 47 patients.