Table 4.

Medical costs and resource utilization from date of transplant hospitalization to day 100 post-transplantation by age at transplantation

Cost category	Age at transplant
	≤ 20 years	21–40 years	41–60 years	> 60 years
Autologous HCT
Sample size	132	180	892	474
Total days hospitalized, median (IQR)	28 (22–39)	20 (17–25)	18 (15–22)	18 (15–22)
Number of outpatient clinic visits, median (range)	21 (12–30)	11 (7–18)	11 (7–18)	12 (7–18)
Total costs, median (IQR)	$158,502 (115,542–255,544)	$106,929 (79,084–132,141)	$98,755 (75,650–132,141)	$87,374 (56,033–120,747)
Total outpatient costs, median (IQR)	$23,316 (8,420–44,712)	$7,623 (2,704–16,974)	$8,000 (3,966–15,504)	$5,348 (1,340–10,583)
Total inpatient costs, median (IQR)	$125,358 (96,917–212,197)	$94,454 (72,599–134,981)	$87,637 (63,990–118,303)	$79,001 (52,789–107,334)
Costs for HCT hospitalization, median (IQR)	$100,082 (66,290–139,767)	$89,509 (69,424–121,664)	$82,564 (62,013–108,942)	$74,997 (50,760–104,354)
Costs for subsequent hospitalization, median (IQR)	$2,086 (0–70,950)	$0 (0-0)	$0 (0-0)	$0 (0-0)
Allogeneic HCT
Sample size	221	231	652	216
Total days hospitalized, median (IQR)	42 (32–57)	29 (23–43)	28 (22–41)	29 (21–43)
Number of outpatient clinic visits, median (range)	21 (14–30)	21 (10–31)	22 (13–32)	24 (13–32)
Total costs, median (IQR)	$303,709 (202,487–455,868)	$202,962 (138,545–306,313)	$192,228 (142,784–289,938)	$155,548 (111,727–267,893)
Total outpatient costs, median (IQR)	$27,751 (12,399–49,918)	$16,937 (6,820–36,019)	$20,949 (10,075–41,683)	$17,916 (4,829–35,921)
Total inpatient costs, median (IQR)	$258,790 (172,448–402,719)	$173,954 (120,865–273,036)	$164,309 (114,724–241,904)	$133,767 (93,265–233,221)
Costs for HCT hospitalization, median (IQR)	$224,180 (154,236–335,909)	$160,987 (110,613–244,312)	$145,457 (103,907–199,464)	$115,566 (81,277–186,135)
Costs for subsequent hospitalization, median (IQR)	$0 (0–31,869)	$0 (0–17,455)	$0 (0–22,346)	$0 (0–22,776)

HCT – hematopoietic cell transplantation; IQR – interquartile range