Table 5 Univariate models and multivariate models for risk factors predicting 12-month mortality, n = 1055^a

Age

 Young (< 75y)

1

1

 Elderly ( > = 75)

3.44 (2.44–4.84)

< 0.001

2.90 (1.94–4.31)

< 0.001

Pre-admission functional status

 Independent

1

1

 Dependent

4.20 (2.55–6.92)

< 0.001

2.37 (1.36–4.14)

0.002

Initial CA-rhythm

 Non-shockable

1

1

 Shockable

0.33 (0.26–0.42)

< 0.001

0.46 (0.33–0.64)

< 0.001

Location of arrest

 OHCA

1

1

 IHCA

2.07 (1.61–2.67)

< 0.001

1.36 (0.92–1.99)

0.119

 ICUCA

2.29 (1.52–3.449

< 0.001

3.84 (2.05–7.19)

< 0.001

Witnessed arrest (not witnessed = 1)

0.59 (0.40–0.86)

< 0.006

0.72 (0.46–1.15)

0.169

Time to ROSC in 10-minute intervals

1.04 (0.93–1.16)

0.520

1.63 (1.37–1.93)

< 0.001

APACHE II-score excluding age points^b

2.34 (2.01–2.73)

< 0.001

2.21 (1.82–2.69)

< 0.001

Total TISS-points^b

0.99 (0.98-1.00)

0.001

0.98 (0.98–0.99)

0.002