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Table 1 Age-dependent treatment parameters of the total population with invasive treatments in the period 2007–2011

From: Effect of patient’s age on the profitability of inpatient cardiac catheterization: a contribution margin analysis of frequently performed procedures over a 5-year period

  Young Old Very old F P-value
n = 2443 n = 2444 n = 2443
50 ± 9 years 67 ± 3 years 78 ± 4 years
DRG revenue (Euro) 3403 ± 7016 3718 ± 4609 4292 ± 5020 17 <0.001
DRG revenue per day (Euro) 774 ± 511 758 ± 542 703 ± 542 13 <0.001
Contribution margin (Euro) 1824 ± 1124 2032 ± 1612 2436 ± 1878 96 <0.001
Contribution margin per day (Euro/d) 489 ± 299 488 ± 313 465 ± 315 4 0.01
Relative DRG weight 1.2 ± 1.9 1.3 ± 1.6 1.5 ± 1.7 21 <0.001
Length of hospital stay (d) 5.4 ± 6.4 6.4 ± 6.7 8.2 ± 8.0 107 <0.001
Fluoroscopy time (min) 7.2 ± 9.3 74 ± 8.6 7.9 ± 7.7 - ns
Material expenditure (Euro) 519 ± 678 470 ± 575 435 ± 488 14 <0.001
  1. DRG Diagnosis Related Groups