. 2019 Jan 8;32(1):8–15. doi: 10.1055/s-0038-1673349

Table 2. Direct healthcare costs of before and after surgery for ulcerative colitis ^a .

Subgroup	Period before mean total costs ^a ^b	Period after mean total costs ^a ^b	Mean cost difference (95% CI) ^c	p -Value ^d
IPAA ( n = 45)	$15,732 ($10,194) ± $17,943	$6,436 (1,961) ± 9,820	$9,296 ($324–$15,628)	<0.001
TPC-BI ( n = 15)	$201,131 ($17,254) ± $10,241	$7,602 ($5,781) ± $6,784	$12,529 ($6,467–$18,688)	<0.001

Abbreviations: CI, confidence interval; IPAA, ileal pouch–anal anastomosis; TPC-BI, total proctocolectomy with Brooke ileostomy.

Source: Reproduced with permission from Holubar et al, ²³ by Wolters Kluwer Health, Inc.

Estimated costs per patient are reported in 2007 constant dollars.

Values are presented as mean (median) % standard deviation.

Bootstrap 95% CI using the percentile method.

Paired t -test.

Table 2. Direct healthcare costs of before and after surgery for ulcerative colitis a .