Table 1

Severity of illness and outcome in the six study groups of acute respiratory failure with increasing number of additional organs in failure





Mortality (n [%])





Group
n
Age (years [mean])
SAPS II (mean)
ICU
Hospital
90-day

ARF + 0
156
57.8
33.0
5 (3.2)
23 (14.7)
34 (21.8)
ARF + 1
172
61.6
45.8
20 (11.6)
49 (28.5)
75 (43.6)
ARF + 2
137
53.2
54.5
48 (35.0)
57 (41.6)
78 (56.9)
ARF + 3
56
56.7
62.0
38 (67.6)
39 (69.6)
46 (82.1)
ARF + 4/5
8
58.4
70.4
6 (75.0)
6 (75.0)
7 (87.5)
ARF + any*
373
57.7
52.0
112 (30.0)
151 (40.5)
175 (46.9)
ARF all
529
57.7
46.4
117 (22.1)
174 (32.9)
201 (38.0)

The two groups with four (n = 6) and five (n = 2) organs in failure are merged because of the small number of patients. *Any combination of acute respiratory failure (ARF) and other severe organ failure. SAPS II, Simplified Acute Physiology Score version 2.

Flaatten et al. Critical Care 2003 7:R72   doi:10.1186/cc2331