Your privacy, your choice

We use essential cookies to make sure the site can function. We also use optional cookies for advertising, personalisation of content, usage analysis, and social media.

By accepting optional cookies, you consent to the processing of your personal data - including transfers to third parties. Some third parties are outside of the European Economic Area, with varying standards of data protection.

See our privacy policy for more information on the use of your personal data.

for further information and to change your choices.
Skip to main content

Table 3 Mann–Whitney U comparison of length of stay for open and endovascular AAA repairs

From: Risk stratification by pre-operative cardiopulmonary exercise testing improves outcomes following elective abdominal aortic aneurysm surgery: a cohort study

Cohort

Median total length of stay (days) (95% CI)

Pvalue

Median length of ITU stay (days) (95% CI)

Pvalue

Open surgery

     

Pre-CPET (n = 103)

 

13 (13.9 to 19.0)

 

4 (5.5 to 11.2)

 

CPET era (n = 100)

CPET-era open (100/100)

10 (10.3 to 13.5)

P < 0.001

3 (3.2 to 4.4)

P < 0.01

CPET-pass (74/100)

10 (10.6 to 14.9)

P < 0.01

3 (2.9 to 4.3)

P < 0.001

CPET-fail (8/100)

11.5 (8.6 to 3.9)

P = 0.25

4.95 (2.1 to 8.4)

P = 0.88

CPET-submaximal (3/100)

11 (−5.4 to 22.0)

P = 0.18

11 (−5.3 to 22.0)

P = 0.59

No-CPET (15/100)

8 (6.6 to 11.1)

P < 0.001

5 (3.1 to 6.1)

P = 0.82

EVAR a

     

Pre-CPET (n = 25)

 

6 (5.3 to 8.6)

 

N/A

N/A

CPET era (n = 69)

CPET-era EVAR (69/69)

4 (4.6 to 6.7)

P < 0.05

N/A

N/A

CPET-pass (29/69)

4 (3.6 to 5.7)

P < 0.05

N/A

N/A

CPET-fail (7/69)

4 (2.5 to 8.1)

P = 0.23

N/A

N/A

CPET-submaximal (6/69)

4 (0 to 14.3)

P = 0.56

N/A

N/A

No-CPET (27/69)

4 (4.4 to 8.8)

P = 0.14

N/A

N/A

  1. a Insufficient EVAR patients required ITU management for reasonable comparison.
Back to article page

Perioperative Medicine

ISSN: 2047-0525