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Table 3 Comparative direct and indirect costs of traditional tissue cultures, sonication and MicroDTTect

From: Cost-benefit analysis of antibiofilm microbiological techniques for peri-prosthetic joint infection diagnosis

Step Assessment Tissue culture Sonication MicroDTT
0   Number of treated patient 100 100 100
1 Opportunities LTAT (per patient) 90 131 58
1 Costs Direct costs per patient 308 397 393
2 Risk FN % 28% 28% 14%
2 Risk FP % 23% 6% 6%
3 Costs Indirect medical cost per FN patient € 49,500.00 € 49,500.00 € 49,500.00
3 Costs Indirect medical cost per FP patient € 8500.00 € 8500.00 € 8500.00
3 Economic risk Total indirect medical cost per FN € 1,386,000.00 € 1,386,000.00 € 693,000.00
3 Economic risk Total indirect medical cost per FP € 195,500.00 € 51,000.00 € 51,000.00
4 Costs Indirect legal cost per FN patient € 650.85 € 650.85 € 325.43
4 Costs Indirect legal cost per FP patient € 481.17 € 125.52 € 125.52
4 Economic risk Total legal cost (both FN and FP) € 18,223.89 € 18,223.89 € 4555.97
4 Economic risk Total legal cost per FP patient € 11,066.83 € 753.13 € 753.13
5 Costs Total cost of wrong diagnosis € 1610,790.72 € 1455,977.02 € 749,309.10