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

Table 1 Post-PMV survival rates, by year of PMV onset (%)

Year Time of follow-up	1998	1999	2000	2001	2002	2003	1998-2003
	n = 2,537	n = 3,699	n = 3,770	n = 4,546	n = 5,178	n = 5,752	n = 25,482
3 months	49.7	50.5	49.1	50.8	52.2	54.0	51.4
6 months	40.2	40.3	39.5	39.6	41.5	43.1	40.9
1 year	32.2	31.3	31.0	30.4	32.2	33.7	31.9
2 years	25.8	24.3	24.0	23.3	24.3	25.1	24.4
3 years	23.1	20.3	20.5	20.0	19.5	20.2	20.4
4 years	21.2	17.8	18.3	16.6	16.4	16.7	17.5

ISSN: 1472-6963