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

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.