Table 3 Hazard ratios (HR) for COVID-19 mortality and Length of stay in ICU, according to BMI categories, for the entire sample.

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

BMI categories

COVID-19 mortality (n = 6474)

Length of stay in ICU (n = 4343)

n

HR

95% CI

p-value

n

eβ

95% CI

p-value

Underweight

63

1.21

0.80–1.81

0.37

39

0.86

0.64–1.15

0.30

Normal/overweight

3337

Ref

–

–

2108

Ref

–

–

Mild/moderate obesity

2543

0.91

0.83–1.00

0.06

1830

1.09

1.03–1.16

0.005

Severe obesity

531

1.21

1.03–1.43

0.02

366

1.31

1.17–1.45

 < 0.001

  1. Adjusted for age, sex, smoking status.
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