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Table 4 Marginal contributions of septic explantations and implantations [€] (range)

From: Economic analysis of two-stage septic revision after total hip arthroplasty: What are the relevant costs for the hospital’s orthopedic department?

  Explantation (n = 30) Implantation (n = 30) Complete casea (n = 30)
Cost 4147.4 (1941–12,192.3) 6680.7 (3932.8–13,661.8) 10,828.1 (5083.6–21,875.7)
DRG Revenue 11,922.7 (6797.8–14,610.3) 12,278.7 (9817.7–16,552.1) 24,201.4 (16,615.5–31,162.4)
 - Variable Costs 910.6 (253.6–4741.5) 3876.3 (1583.1–8568.0) 4786.9 (2176.8–13,309.5)
= Marginal Contribution I 11,012.1 (6478.8–14,244.6) 8402.4 (4393.5–13,027.2) 19,414.4 (13,472.8–25,746.0)
 - Case-Fixed Costs 3236.8 (1583.2–9083.9) 2804.4 (1005.8–6726.1) 6041.2 (2589.1–13,773.2)
= Marginal Contribution II 7775.3 (2418.0–12,622.4) 5598.0 (948.5–10,534.5) 13,773.3 (5348.5–2,3156.9)
Marginal Contribution I/day 586.8 (282.0–1092.74) 451.0 (191.0–1091.8) 500.8 (284.1–1029.8)
Marginal Contribution II/day 429.3 (69.1–971.0) 305.5 (43.1–877.9) 353.2 (131.2–926.3)
  1. aComplete case is the aggregate of the two separate hospital stays for explantation and implantation
  2. DRG diagnosis related groups