Cost-utility analysis of total knee arthroplasty for osteoarthritis in a regional medical center in China

Health Economics Review

Table 1 Expenses by categories for TKA

Variables	No.	Total	Drugs	Prosthesis	Treatment^a	Devices^b	Blood	Cost/QALY
Age, years
≥65	68	56,269.46	7868.99	33,878.10	4908.32	4413.55	808.18	2752.37
<65	71	59,541.03	7785.64	37,631.65	4865.65	4461.26	714.31	5960.78
Gender
Male	26	51,712.27	7443.76	31,631.35	4308.19	3952.92	499.31	7083.72
Female	113	59,373.61	7914.46	36,753.48	5019.59	4549.51	820.27	9403.7
Length of stay, days
10–19	60	52,198.43*	6651.03*	33,050.40	4283.33*	4023.32*	410.53*	3559.88
20–29	56	58,053.63*	7559.36*	36,569.87	4598.00*	4364.01*	974.54*	4626.65
≥30	23	72,644.66*	11,542.88*	41,070.48	7162.60*	5699.42*	1150.70*	5568.10
ICU stay
Yes	17	68,099.53*	8815.39	40,861.43	5788.48	5200.10	1241.06*	4110.24
No	122	56,524.96*	7688.61	35,089.46	4760.84	4331.71	693.23*	5841.29

^aCost of operations; ^bcosts for use of devices during hospital stay; * P < 0.05, one-way ANOVA test

ISSN: 2191-1991