Table 1.
Input data.
| Component | Estimate | Sources |
|---|---|---|
| 1. Transition probabilities | ||
| Acetaminophen | 0.3380 | Herrero-Beaumont et al. (2007) [35] |
| Diclofenac + PPI | 0.8647 | Zacher et al. (2003) [36] |
| Triamcinolone injection | 0.0392 | McAlindon et al. (2017) [37] |
| Total arthroplasty | 0.5122 | Fortin et al. (1999) [38] |
| Etoricoxib | 0.5657 | Cannon et al. (2006) [39] |
| Crystalline glucosamine sulfate | 0.3857 | Herrero-Beaumont et al. (2007) [35] |
| 2. Costs—VND (USD) | ||
| Costs of treatment | ||
| Acetaminophen (3000 mg/day) 500 mg—6 times/day |
588,600 | Vietnam Drug Administration, Ministry of Health, Vietnam [40] |
| (25.06) | ||
| Diclofenac (150 mg/day) 50 mg—3 times/day |
60,210 | Vietnam Drug Administration, Ministry of Health, Vietnam [40] |
| (2.56) | ||
| Omeprazole (20 mg/day) 20 mg—1 times/day |
344,700 | Vietnam Drug Administration, Ministry of Health, Vietnam [40] |
| (14.68) | ||
| Etoricoxib (60 mg/day) 30–60 mg—1–2 times/day |
785,700 | Vietnam Drug Administration, Ministry of Health, Vietnam [40] |
| (33.45) | ||
| Crystalline glucosamine sulfate (1500 mg/day) 500 mg—3 times/day | 186,300 | Vietnam Drug Administration, Ministry of Health, Vietnam [40] |
| (7.93) | ||
| Triamcinolone injection (40 mg every 3 months)—80 mg/2 mL | 19,400 | Vietnam Drug Administration, Ministry of Health, Vietnam [40] |
| (0.83) | ||
| Total Knee Arthroplasty (TKA) | 88,712,500 | Decree 39/2018/TT-BYT, Ministry of Health, Vietnam [41] |
| (3777.25) | ||
| Direct non-medical costs (VND) | ||
| Food costs per person (1 month) | 2,700,000 | Research Center for Employment Relations (ERC) [42] |
| (114.96) | ||
| Transportation costs per person (1 month) | 2,953,620 | Wilbert B. et al. (2005) [43] |
| (125.76) | ||
| Indirect costs | ||
| Cost of absenteeism (1 month-absent for Knee Joint Recovery Post-Surgery) |
7,342,373 | Hien Thu Trinh et al. (2022) [44] |
| (312.63) | ||
| 3. Utilities | ||
| Utility Acetaminophen | 0.7010 | Latimer et al. (2009) [45] |
| Utility Diclofenac + PPI | 0.7230 | Latimer et al. (2009) [45] |
| Utility Etoricoxib | 0.7230 | Latimer et al. (2009) [45] |
| Utility Glucosamine | 0.6760 | Olivier Bruyère et al. (2019) [46] |
| Utility Triamcinolone injection | 0.6400 | Losina et al. (2013) [47] |
| Utility total knee arthroplasty | 0.7600 | David Feeny et al. (2004) [48] |