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Table 4 Number of days free of hospital care related to MV in the 4-year after PMV*

From: Outcomes of prolonged mechanic ventilation: a discrimination model based on longitudinal health insurance and death certificate data

 

min.

25%

Median

75%

80%

85%

90%

95%

max.

mean

SD

Cases with a predicted probability for 3-month survival < 10%†

(n = 78, 1.4% of the 2003 sample; 87.2% of them were actually deceased within 3 months after PMV.)

Number of days free of hospital stays requiring MV

0

0

3

15

19

27

38

279

1,331

39.8

165.2

Cases with a predicted probability for 6-month survival < 10% †

(n = 238, 4.2% of the 2003 sample; 87.0% of them were actually deceased within 6 months after PMV.)

Number of days free of hospital stays requiring MV

0

0

1

13

17

34

111

385

1,459

66.0

242.3

Cases with a predicted probability for 1-year survival < 10% †

(n = 604, 10.7% of the 2003 sample; 89.9% of them were actually deceased within 1 year after PMV.)

Number of days free of hospital stays requiring MV

0

0

1

17

31

68

174

570

1,460

90.2

285.8

Cases with a predicted probability for 2-year survival < 10% †

(n = 1,193, 21.2% of the 2003 sample; 92.1% of them were actually deceased within 2 years after PMV.)

Number of days free of hospital stays requiring MV

0

0

2

24

43

95

280

1,018

1,460

111.3

318.1

The whole sample of year 2003 (n = 5,623)

Number of days free of hospital stays requiring MV

0

0

6

175

382

834

1,383

1,447

1,460

256.9

482.2

  1. PMV prolonged MV
  2. SD standard deviation
  3. * For this description, we used data for the 2003 patient sample, which was the external validation sample for the survival prediction models.
  4. † The predicted outcome for these patients was death.