Table 2

Admission and outcome parameters of study patients
Admission parameters
IAH
 FI

Total
 Absent
 Present
 P
 Absent
 Present
 P
Number of patients (%)
 264 ± 100.0
 192 ± 72.3
 72 ± 27.3
110 ± 41.7
 154 ± 58.3
Male sex (n [%])
 166 ± 62.9
 117 ± 60.9
 49 ± 68.1
 0.178
 60 ± 54.5
 106 ± 68.8
 0.013
Age (years)
 53.8 ± 20.0
 52.3 ± 21.0
 57.8 ± 16.8
 0.047
 48.6 ± 21.0
 57.5 ± 18.5
 <0.001
Diabetes (n [%])
 35 ± 13.3
 26 ± 13.5
 9 ± 12.5
 0.502
 11 ± 10.0
 24 ± 15.6
 0.128
Readmission (n [%])
 8 ± 3.0
 6 ± 3.1
 2 ± 2.8
 0.622
 2 ± 1.8
 6 ± 3.9
 0.287
Sedation (n [%])
 243 ± 92.0
 174 ± 90.6
 69 ± 95.8
 0.125
 98 ± 89.1
 145 ± 94.2
 0.103
Vasoactive/inotrope (n [%])
 200 ± 75.8
 136 ± 70.8
 64 ± 88.9
 0.001
 67 ± 60.9
 133 ± 86.4
 <0.001
Surgical profile (n [%])
 175 ± 66.3
 122 ± 63.5
 53 ± 73.7
 0.080
 67 ± 60.9
 108 ± 70.1
 0.077
Laparatomy (n [%])
 60 ± 23.3
 21 ± 15.6
 31 ± 43.7
 <0.001
 9 ± 8.4
 51 ± 34.0
 <0.001
Enteral feeding (n [%])
 49 ± 18.6
 42 ± 21.9
 7 ± 9.7
 0.015
 25 ± 22.7
 24 ± 15.6
 0.095
APACHE II score (points)
 14.2 ± 7.7
 13.5 ± 7.6
 16.0 ± 7.7
 0.016
 11.8 ± 7.3
 15.8 ± 7.6
 <0.001
BMI (kg/m2)
 27.6 ± 13.1
 25.4 ± 4.6
 33.1 ± 22.2
 <0.001
 25.8 ± 5.6
 28.9 ± 16.4
 0.080
SOFA score (points)
 7.0 ± 4.2
 6.3 ± 4.2
 8.9 ± 3.6
 <0.001
 5.3 ± 4.2
 8.2 ± 3.8
 <0.001
Fluid gain in first 24 hours (l)
 2.4 ± 3.6
 2.0 ± 2.4
 3.6 ± 5.5
 0.001
 1.7 ± 2.4
 2.9 ± 4.2
 0.007
MAP (mmHg)
 81.5 ± 15.9
 82.1 ± 16.4
 80.5 ± 15.0
 0.512
 82.1 ± 15.8
 81.3 ± 16.1
 0.758
IAP (mmHg)
 8.5 ± 4.7
 6.5 ± 3.8
 12.1 ± 4.0
 <0.001
 6.3 ± 4.0
 9.5 ± 4.6
 <0.001
CVP (mmHg)
 11.6 ± 5.7
 10.3 ± 4.9
 14.3 ± 6.3
 <0.001
 10.4 ± 5.1
 12.2 ± 5.9
 0.031
PIP (cmH2O)
 23.9 ± 6.2
 22.6 ± 6.0
 27.2 ± 5.2
 <0.001
 22.5 ± 6.5
 24.8 ± 5.7
 0.006
PEEP (cmH2O)
 9.2 ± 4.2
 8.5 ± 4.1
 11.2 ± 3.7
 <0.001
 7.8 ± 4.1
 10.2 ± 3.9
 <0.001
Lactate (mmol/l)
 4.6 ± 5.4
 4.4 ± 4.6
 4.9 ± 6.9
 0.519
 4.4 ± 4.9
 4.7 ± 5.7
 0.741
FI (n [%])
 124 ± 47.0
 69 ± 35.9
 55 ± 76.4
 <0.001
 -
 -
IAH (n [%])
 42 ± 15.9
 -
 -
3 ± 2.7
 39 ± 25.3
 <0.001
Gastrointestinal failure (FI+IAH; n [%])
 36 ± 13.6
 -
 36 ± 50.0
-
 36 ± 23.4
Outcome parameters






     MV (days)
 7.4 ± 11.9
 4.3 ± 6.1
 15.5 ± 18.0
 <0.001
 3.6 ± 5.9
 10.0 ± 14.1
 <0.001
     ICU (days)
 8.8 ± 12.8
 5.6 ± 7.3
 17.5 ± 19.0
 <0.001
 4.8 ± 6.9
 11.7 ± 15.1
 <0.001
     ICU mortality (n [%])
 39 ± 14.8
 21 ± 10.9
 18 ± 25.0
 0.005
 7 ± 6.4
 32 ± 20.8
 0.001
     28-day mortality (n [%])
 54 ± 20.5%
 36 ± 18.8%
 18 ± 25.0%
 0.171
 13 ± 11.8%
 41 ± 26.6%
 <0.001
     90-day mortality (n [%])
 75 ± 28.4%
 48 ± 25.0%
 27 ± 37.5%
 0.033
 17 ± 15.5%
 58 ± 37.7%
 0.002

The values are presented as mean ± standard deviation. APACHE, Acute Physiology and Chronic Health Evaluation; BMI, body mass index; CVP, central venous pressure; FI, food intolerance; IAH, intra-abdominal hypertension; IAP, intra-abdominal pressure; ICU, intensive care unit; MAP, mean arterial pressure; MV, mechanical ventilation; PEEP, positive end-expiratory pressure; PIP, peak inspiratory pressure; SOFA, Sequential Organ Failure Assessment.

Reintam et al. Critical Care 2008 12:R90   doi:10.1186/cc6958