Preoperative Assessment of Patients Undergoing Elective Gastrointestinal Surgery: Does Body Mass Index Matter?
Table 4
Multivariate model.
Variables
HR (CI95%)
value
Age
1.02 (1.00–1.04)
0.123
Sex
Male
REF
—
Female
2.12 (1.01–4.44)
0.047
Comorbidity
0
REF
—
0-1
1.82 (0.43–7.74)
0.419
>2
1.57 (0.33–7.46)
0.571
ASA grade
1
REF
—
2
0.58 (0.14–2.43)
0.456
3
1.15 (0.23–5.65)
0.865
4
—
0.999
Surgical grade
Minor
REF
—
Intermediate
1.93 (0.25–14.89)
0.529
Major
21.64 (2.24–209.49)
0.008
Surgical type
Upper GI
REF
—
Lower GI
0.71 (0.26–1.93)
0.504
HPB
0.54 (0.21–1.40)
0.206
Indication
Benign
REF
—
Malignant
0.88 (0.36–2.16)
0.782
Operative approach
Endoscopic/ultrasound
REF
—
Laparoscopic
0.95 (0.12–7.66)
0.957
Open
1.30 (0.16–10.64)
0.807
PAS clinic
Low risk
REF
—
High risk
0.98 (0.38–2.56)
0.971
BMI
Normal
REF
—
Overweight
1.34 (0.55–3.27)
0.519
Obese
1.32 (0.54–3.23)
0.547
Upper Gastrointestinal Surgery (Upper GI), Lower Gastrointestinal Surgery (Lower GI), hepatobiliary surgery (HPB), preassessment service (PAS), and body mass index (BMI).
