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Table 1 Characteristics of patients who had serial measurements versus those who only had admission measurements

From: A pilot study of change in fracture risk in patients with acute respiratory distress syndrome

 

Serial DEXA measurements

Single DEXA measurement

P value

N

46

11

-

Age

55.09 (49.9-60.3)

53.9 (40.6-67.1)

0.93

Male sex, n (%)b

26 (55.3)

6 (60)

0.74

Pre-ICU LOSa

1 (1-45)

1 (1-6)

0.25

APACHE II score

24 (22.4-25.6)

27.1 (21.9-32.3)

0.12

SAPS II score

40.9 (37.5-44.3)

53.3 (44.2-62.4)

<0.01c

Admission SOFA score

9.3 (8.5-10.0)

8.6 (5.8-11.4)

0.50

Admission diagnosis, n (%)

   

Cardiogenic shock

6 (13.0)

3 (33.3)

 

Trauma

12 (26.1)

2 (20.0)

 

Acute renal failure

1 (2.2)

2 (20.0)

 

Intra cranial haemorrhage

5 (10.9)

1 (10.0)

 

Acute liver failure

4 (8.7)

1 (10.0)

 

Severe sepsis

16 (34.8)

1 (10.0)

 

Major haemorrhage

2 (4.3)

0 (0.0)

 

Co-morbidities, n (%)

   

Ischaemic heart disease

5 (10.9)

3 (33.3)

 

Liver cirrhosis

6 (13.0)

0 (0.0)

 

Haematological disease

2 (4.3)

1 (10.0)

 

Hypertension

9 (19.6)

1 (10.0)

 

Obesity

2 (4.3)

0 (0.0)

 

COPD

7 (15.2)

0 (0.0)

 

Diabetes mellitus

5 (10.9)

0 (0.0)

 

Previous CVA

1 (2.2)

0 (0.0)

 

Chronic pancreatitis

1 (2.2)

0 (0.0)

 

Thyroid disease

3 (6.5)

0 (0.0)

 

Crohn’s disease

1 (2.2)

0 (0.0)

 

Renal impairment

2 (4.3)

0 (0.0)

 

Small bowel insufficiency

0 (0.0)

1 (10.0)

 
  1. APACHE II = Acute Physiology and Chronic Health Evaluation II, COPD = Chronic Obstructive Pulmonary Disease, CVA = Cerebro Vascular Accident, DEXA = Dual X-ray Absorptiometry, ICU = Intensive Care Unit, LOS = Length of Stay, SAPS II = Simplified Acute Physiology Score, SOFA = Sequential Organ Failure Assessment. Values are mean (95% confidence intervals), except for aindicating median with range. Student’s T-test was used except for b(chi-squared) and a(Mann Whitney U);c indicates P <0.05.