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Table 1 Expenses by categories for TKA

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

Variables No. Total Drugs Prosthesis Treatmenta Devicesb 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
  1. aCost of operations; bcosts for use of devices during hospital stay; * P < 0.05, one-way ANOVA test