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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