Table 5 Length of stay in ICU, among the survivors, according to age groups and BMI categories.

From: Association between obesity and COVID-19 mortality and length of stay in intensive care unit patients in Brazil: a retrospective cohort study

 < 60 years

Model 1 (n = 3323)

Model 2 (n = 2235)

Model 3 (n = 2235)

n

eβ

95% CI

p-value

n

eβ

95% CI

p-value

n

eβ

95% CI

p-value

Underweight

18

0.64

0.42–0.97

0.04

14

0.49

0.31–0.78

0.002

14

0.49

0.31–0.78

0.002

Normal/overweight

1480

Ref

827

Ref

827

Ref

Mild/moderate obesity

1507

1.07

1.00–1.14

0.04

1102

1.05

0.97–1.14

0.20

1102

1.06

0.97–1.14

0.18

Severe obesity

318

1.35

1.21–1.51

 < 0.001

292

1.34

1.19–1.51

 < 0.001

292

1.34

1.19–1.51

 < 0.001

 

Model 1 (n = 2296)

Model 2 (n = 2108)

Model 3 (n = 2108)

Underweight

25

1.13

0.76–1.67

0.55

25

1.23

0.83–1.82

0.31

25

1.23

0.83–1.82

0.31

Normal/overweight

1432

Ref

1281

Ref

1281

Ref

Mild/moderate obesity

761

1.10

1.01–1.20

0.04

728

1.10

1.01–1.21

0.03

728

1.10

1.00–1.21

0.04

Severe obesity

78

1.19

0.95–1.49

0.14

74

1.14

0.90–1.45

0.26

74

1.13

0.89–1.43

0.30

  1. Model 1: unadjusted.
  2. Model 2: adjusted for age, sex, smoking status.
  3. Model 3: adjusted for age, sex, smoking status, hypertension, diabetes.