Table 5 Open in new tab Multivariate...

Characteristics	Unadjusted OR [95% CI]	Adjusted OR [95% CI]	P-value^a
Potential risk factors associated with all surgical complications^b
Age	0.99 [0.98–1.01]	0.98 [0.96–1.00]	0.04
Gender (female)	1.97 [1.42–2.74]	1.53 [1.06–2.21]	0.02
BMI	0.94 [0.92–0.96]	0.94 [0.92–0.96]	<0.001
Diabetes mellitus	0.77 [0.54–1.10]	0.84 [0.55–1.28]	0.42
Revisional surgery	3.77 [2.43–5.84]	4.76 [2.79–8.12]	<0.001
Open surgery	3.96 [1.94–8.08]	2.78 [1.06–7.27]	0.04
Potential risk factors associated with all anaesthetic complications^b
Age	1.00 [0.98–1.02]	1.01 [0.98–1.03]	0.65
Gender (male)	0.95 [0.59–1.54]	1.10 [0.65–1.85]	0.72
BMI	0.98 [0.96–1.01]	0.99 [0.96–1.02]	0.46
Obstructive sleep apnoea	0.62 [0.38–1.01]	0.65 [0.38–1.11]	0.11
Smoking	1.67 [0.91–3.05]	1.82 [0.97–3.40]	0.06
Pulmonologist consultation^c	0.99 [0.41–2.42]	0.95 [0.35–2.56]	0.91
Anaesthetist consultation^c	0.85 [0.48–1.53]	0.95 [0.51–1.77]	0.87
ASA grade IV classification	0.50 [0.09–2.73]	0.54 [0.29–1.02]	0.06
Potential risk factors associated with all medical complications^b
Age	1.01 [0.99–1.03]	1.01 [0.99–1.02]	0.56
Gender (female)	1.44 [0.96–2.14]	2.08 [1.45–3.03]	<0.001
BMI	0.97 [0.95–0.99]	0.95 [0.93–0.97]	<0.001
Diabetes mellitus	0.79 [0.50–1.23]	0.73 [0.48–1.12]	0.15
Smoking	1.51 [0.90–2.54]	1.80 [0.99–2.68]	0.05
Pulmonologist consultation^c	1.35 [0.67–2.74]	0.86 [0.41–1.83]	0.70
Anaesthetist consultation^c	0.83 [0.51–1.35]	0.65 [0.41–1.05]	0.08
Revisional surgery	1.41 [0.78–2.54]	1.48 [0.87–2.50]	0.14
Open surgery	0.69 [0.26–1.82]	0.67 [0.29–1.55]	0.34

Characteristics

Unadjusted OR [95% CI]

Adjusted OR [95% CI]

P-value^a

Potential risk factors associated with all surgical complications^b

Age

0.99 [0.98–1.01]

0.98 [0.96–1.00]

0.04

Gender (female)

1.97 [1.42–2.74]

1.53 [1.06–2.21]

0.02

BMI

0.94 [0.92–0.96]

<0.001

Diabetes mellitus

0.77 [0.54–1.10]

0.84 [0.55–1.28]

0.42

Revisional surgery

3.77 [2.43–5.84]

4.76 [2.79–8.12]

<0.001

Open surgery

3.96 [1.94–8.08]

2.78 [1.06–7.27]

0.04

Potential risk factors associated with all anaesthetic complications^b

Age

1.00 [0.98–1.02]

1.01 [0.98–1.03]

0.65

Gender (male)

0.95 [0.59–1.54]

1.10 [0.65–1.85]

0.72

BMI

0.98 [0.96–1.01]

0.99 [0.96–1.02]

0.46

Obstructive sleep apnoea

0.62 [0.38–1.01]

0.65 [0.38–1.11]

0.11

Smoking

1.67 [0.91–3.05]

1.82 [0.97–3.40]

0.06

Pulmonologist consultation^c

0.99 [0.41–2.42]

0.95 [0.35–2.56]

0.91

Anaesthetist consultation^c

0.85 [0.48–1.53]

0.95 [0.51–1.77]

0.87

ASA grade IV classification

0.50 [0.09–2.73]

0.54 [0.29–1.02]

0.06

Potential risk factors associated with all medical complications^b

Age

1.01 [0.99–1.03]

1.01 [0.99–1.02]

0.56

Gender (female)

1.44 [0.96–2.14]

2.08 [1.45–3.03]

<0.001

BMI

0.97 [0.95–0.99]

0.95 [0.93–0.97]

<0.001

Diabetes mellitus

0.79 [0.50–1.23]

0.73 [0.48–1.12]

0.15

Smoking

1.51 [0.90–2.54]

1.80 [0.99–2.68]

0.05

Pulmonologist consultation^c

1.35 [0.67–2.74]

0.86 [0.41–1.83]

0.70

Anaesthetist consultation^c

0.83 [0.51–1.35]

0.65 [0.41–1.05]

0.08

Revisional surgery

1.41 [0.78–2.54]

1.48 [0.87–2.50]

0.14

Open surgery

0.69 [0.26–1.82]

0.67 [0.29–1.55]

0.34

Characteristics	Unadjusted OR [95% CI]	Adjusted OR [95% CI]	P-value^a
Potential risk factors associated with all surgical complications^b
Age	0.99 [0.98–1.01]	0.98 [0.96–1.00]	0.04
Gender (female)	1.97 [1.42–2.74]	1.53 [1.06–2.21]	0.02
BMI	0.94 [0.92–0.96]	0.94 [0.92–0.96]	<0.001
Diabetes mellitus	0.77 [0.54–1.10]	0.84 [0.55–1.28]	0.42
Revisional surgery	3.77 [2.43–5.84]	4.76 [2.79–8.12]	<0.001
Open surgery	3.96 [1.94–8.08]	2.78 [1.06–7.27]	0.04
Potential risk factors associated with all anaesthetic complications^b
Age	1.00 [0.98–1.02]	1.01 [0.98–1.03]	0.65
Gender (male)	0.95 [0.59–1.54]	1.10 [0.65–1.85]	0.72
BMI	0.98 [0.96–1.01]	0.99 [0.96–1.02]	0.46
Obstructive sleep apnoea	0.62 [0.38–1.01]	0.65 [0.38–1.11]	0.11
Smoking	1.67 [0.91–3.05]	1.82 [0.97–3.40]	0.06
Pulmonologist consultation^c	0.99 [0.41–2.42]	0.95 [0.35–2.56]	0.91
Anaesthetist consultation^c	0.85 [0.48–1.53]	0.95 [0.51–1.77]	0.87
ASA grade IV classification	0.50 [0.09–2.73]	0.54 [0.29–1.02]	0.06
Potential risk factors associated with all medical complications^b
Age	1.01 [0.99–1.03]	1.01 [0.99–1.02]	0.56
Gender (female)	1.44 [0.96–2.14]	2.08 [1.45–3.03]	<0.001
BMI	0.97 [0.95–0.99]	0.95 [0.93–0.97]	<0.001
Diabetes mellitus	0.79 [0.50–1.23]	0.73 [0.48–1.12]	0.15
Smoking	1.51 [0.90–2.54]	1.80 [0.99–2.68]	0.05
Pulmonologist consultation^c	1.35 [0.67–2.74]	0.86 [0.41–1.83]	0.70
Anaesthetist consultation^c	0.83 [0.51–1.35]	0.65 [0.41–1.05]	0.08
Revisional surgery	1.41 [0.78–2.54]	1.48 [0.87–2.50]	0.14
Open surgery	0.69 [0.26–1.82]	0.67 [0.29–1.55]	0.34

Table 5

Open in new tab

Multivariate analysis showing factors associated with surgical, anaesthetic, and medical complications occurring in 650 ICU adminssions after bariatric surgery. CI, confidence interval; OR, odds ratio. ^aP-value for adjusted OR. ^bComplications as listed in Table 3. ^cSpecialist review before day of elective bariatric surgery

Characteristics	Unadjusted OR [95% CI]	Adjusted OR [95% CI]	P-value^a
Potential risk factors associated with all surgical complications^b
Age	0.99 [0.98–1.01]	0.98 [0.96–1.00]	0.04
Gender (female)	1.97 [1.42–2.74]	1.53 [1.06–2.21]	0.02
BMI	0.94 [0.92–0.96]	0.94 [0.92–0.96]	<0.001
Diabetes mellitus	0.77 [0.54–1.10]	0.84 [0.55–1.28]	0.42
Revisional surgery	3.77 [2.43–5.84]	4.76 [2.79–8.12]	<0.001
Open surgery	3.96 [1.94–8.08]	2.78 [1.06–7.27]	0.04
Potential risk factors associated with all anaesthetic complications^b
Age	1.00 [0.98–1.02]	1.01 [0.98–1.03]	0.65
Gender (male)	0.95 [0.59–1.54]	1.10 [0.65–1.85]	0.72
BMI	0.98 [0.96–1.01]	0.99 [0.96–1.02]	0.46
Obstructive sleep apnoea	0.62 [0.38–1.01]	0.65 [0.38–1.11]	0.11
Smoking	1.67 [0.91–3.05]	1.82 [0.97–3.40]	0.06
Pulmonologist consultation^c	0.99 [0.41–2.42]	0.95 [0.35–2.56]	0.91
Anaesthetist consultation^c	0.85 [0.48–1.53]	0.95 [0.51–1.77]	0.87
ASA grade IV classification	0.50 [0.09–2.73]	0.54 [0.29–1.02]	0.06
Potential risk factors associated with all medical complications^b
Age	1.01 [0.99–1.03]	1.01 [0.99–1.02]	0.56
Gender (female)	1.44 [0.96–2.14]	2.08 [1.45–3.03]	<0.001
BMI	0.97 [0.95–0.99]	0.95 [0.93–0.97]	<0.001
Diabetes mellitus	0.79 [0.50–1.23]	0.73 [0.48–1.12]	0.15
Smoking	1.51 [0.90–2.54]	1.80 [0.99–2.68]	0.05
Pulmonologist consultation^c	1.35 [0.67–2.74]	0.86 [0.41–1.83]	0.70
Anaesthetist consultation^c	0.83 [0.51–1.35]	0.65 [0.41–1.05]	0.08
Revisional surgery	1.41 [0.78–2.54]	1.48 [0.87–2.50]	0.14
Open surgery	0.69 [0.26–1.82]	0.67 [0.29–1.55]	0.34

Characteristics	Unadjusted OR [95% CI]	Adjusted OR [95% CI]	P-value^a
Potential risk factors associated with all surgical complications^b
Age	0.99 [0.98–1.01]	0.98 [0.96–1.00]	0.04
Gender (female)	1.97 [1.42–2.74]	1.53 [1.06–2.21]	0.02
BMI	0.94 [0.92–0.96]	0.94 [0.92–0.96]	<0.001
Diabetes mellitus	0.77 [0.54–1.10]	0.84 [0.55–1.28]	0.42
Revisional surgery	3.77 [2.43–5.84]	4.76 [2.79–8.12]	<0.001
Open surgery	3.96 [1.94–8.08]	2.78 [1.06–7.27]	0.04
Potential risk factors associated with all anaesthetic complications^b
Age	1.00 [0.98–1.02]	1.01 [0.98–1.03]	0.65
Gender (male)	0.95 [0.59–1.54]	1.10 [0.65–1.85]	0.72
BMI	0.98 [0.96–1.01]	0.99 [0.96–1.02]	0.46
Obstructive sleep apnoea	0.62 [0.38–1.01]	0.65 [0.38–1.11]	0.11
Smoking	1.67 [0.91–3.05]	1.82 [0.97–3.40]	0.06
Pulmonologist consultation^c	0.99 [0.41–2.42]	0.95 [0.35–2.56]	0.91
Anaesthetist consultation^c	0.85 [0.48–1.53]	0.95 [0.51–1.77]	0.87
ASA grade IV classification	0.50 [0.09–2.73]	0.54 [0.29–1.02]	0.06
Potential risk factors associated with all medical complications^b
Age	1.01 [0.99–1.03]	1.01 [0.99–1.02]	0.56
Gender (female)	1.44 [0.96–2.14]	2.08 [1.45–3.03]	<0.001
BMI	0.97 [0.95–0.99]	0.95 [0.93–0.97]	<0.001
Diabetes mellitus	0.79 [0.50–1.23]	0.73 [0.48–1.12]	0.15
Smoking	1.51 [0.90–2.54]	1.80 [0.99–2.68]	0.05
Pulmonologist consultation^c	1.35 [0.67–2.74]	0.86 [0.41–1.83]	0.70
Anaesthetist consultation^c	0.83 [0.51–1.35]	0.65 [0.41–1.05]	0.08
Revisional surgery	1.41 [0.78–2.54]	1.48 [0.87–2.50]	0.14
Open surgery	0.69 [0.26–1.82]	0.67 [0.29–1.55]	0.34

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