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Table 2 Resource consumption in fEVAR and OSR patients

From: Decision uncertainty and value of further research: a case-study in fenestrated endovascular aneurysm repair for complex abdominal aortic aneurysms

 

fEVAR

OSR

Pooled WMD (95% CI)

N

Mean (SD)

N

Mean (SD)

Length of stay (days)

 

 Moore 2006

16

14.8 (17.3)

29

13 (8.0)

− 4.83 (− 7.33 to − 2.32) I2 = 87.4% p < 0.0001

 Donas 2012

29

3.5 (1.1)

31

7.2 (3.2)

 Canavati 2013c

53

7.0 (3.3)

54

12 (9.6)

 Tsilimparis 2013

246

3.0 (4.3)

1091

10 (9.6)

Operative time (min)

 Moore 2006

16

268 (113.0)

29

205 (196.0)

38.72 (− 79.00 to 156.44) I2 = 98.6% p < 0.0001

 Chisci 2009*

52

266 (94)

61

150 (38)

 Donas 2012

29

290 (122.0)

31

204.00

 Canavati 2013

53

300 (88.9)

54

235 (66.7)

 Tsilimparis 2013

246

175.7 (101.8)

1091

260.57 (109.0)

Blood unit transfusedb

 Moore 2006

16

4.4 (5.8)

29

6.5 (5.8)

− 2.41 (− 2.72 to − 2.11) I2 = 16.1% p = 0.311

 Chisci 2009ac

52

1.12 (0.95)

61

3.45 (1.24)

 Donas 2012

29

0.2

31

3.2 (1.2)

 Canavati 2013ac

53

2.8 (2.2)

54

4.4 (3.1)

 Tsilimparis 2013

246

0.5 (1.9)

1091

3.1 (4.0)

ICU stay (days)

 Moore 2006

16

4 (8.5)

29

1.7 (2.7)

− 0.88 (− 6.8 to 5.04) I2 = 79.2% p = 0.028

 Canavati 2013ac

53

0.58 (7.8)

54

4.33 (26.7)

  1. ICU intensive care unit; WMD weighted mean difference
  2. aMedian instead of mean
  3. b450 ml blood per unit
  4. cIQR = 1.35*SD as in normal distribution