Table 1

Baseline and microbiological characteristics of patients

Variable
Dose
Combined n (%)



50,000 U/day
100,000 U/day
200,000 U/day
400,000 U/day


Number of patients
4
4
4
4
16
Age (years)
57.7 ± 17.3
61.3 ± 14.2
54.3 ± 17.6
60.0 ± 13.0
58.3 ± 14.3
Male
2
1
4
1
8 (50)
Acute Physiological and Chronic Health Evaluation II score
22.3 ± 6.0
21.8 ± 8.7
18.3 ± 10
20.0 ± 3.4
20.6 ± 7.0
Subcutaneous heparin
4
3
4
3
14 (88)
Arterial to inspired oxygen ratio (mmHg)
159 ± 37
143 ± 48
207 ± 79
226 ± 75
183 ± 66
Lung compliance (ml/cmH2O)
30 ± 7
19 ± 5
37 ± 21
22 ± 14
26 ± 14
Alveolar dead space fraction
0.15 ± 0.04
0.3 ± 0.10
0.17 ± 0.07
0.24 ± 0.1
0.23 ± 0.1
Creatinine (μmol/l)
80 ± 45
56 ± 14
130 ± 154
97 ± 45
91 ± 80
Activated partial thromboplastin time (s)
38 ± 7
37 ± 6
44 ± 7
47 ± 20
41 ± 11
Thrombin clotting time (s)
17 ± 2
21 ± 3
20 ± 10
19 ± 3
19 ± 5
Acute lung injury cause





     Pneumonia
3
3
2
2
10 (63)
     Sepsis
0
0
1
1
2 (13)
     Pancreatitis
0
1
0
1
2 (13)
     Empyema
1
0
1
0
2 (13)
     Aspiration
0
0
0
0
0
Surgical admission
3
0
1
2
6 (38)
Microbiology





     Gram-negative
1
0
2
1
4 (25)
     Gram-positive
1
2
1
0
4 (25)
     Other
0
1
0
2
3 (19)
     No pathogen detected
2
1
1
1
5 (31)
Blood culture-positive
0
0
1
1
2 (12)

Dixon et al. Critical Care 2008 12:R64   doi:10.1186/cc6894