Table 5 Odds ratio of death according to sex of COVID-19 patients in different peaks based on multiple logistic regression.

From: Sex-based differences in mortality among a large cohort of hospitalized patients with RT-PCR-confirmed SARS-CoV-2 infection at five different pandemic waves in Northern Iran

Variables

Female

Male

OR

95% CI

P-value

OR

95% CI

P-value

Lower

Upper

Lower

Upper

Peak of COVID*

1

2.95

2.42

3.59

< 0.001

3.03

2.53

3.61

< 0.001

2

1.83

1.61

2.08

< 0.001

1.65

1.45

1.88

< 0.001

3

1.64

1.44

1.85

< 0.001

1.49

1.31

1.69

< 0.001

4

0.99

0.85

1.15

0.883

1.03

0.88

1.20

0.716

5

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Peak of COVID**

1

2.32

1.88

2.85

< 0.001

2.48

2.05

2.99

< 0.001

2

1.37

1.20

1.56

< 0.001

1.23

1.08

1.41

0.002

3

1.12

0.99

1.28

0.079

1.02

0.89

1.17

0.740

4

0.78

0.67

0.92

0.003

0.80

0.68

0.94

0.006

5

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Peak of COVID***

1

2.35

1.91

2.89

< 0.001

2.50

2.07

3.01

< 0.001

2

1.34

1.17

1.53

< 0.001

1.20

1.05

1.37

0.009

3

1.08

0.95

1.23

0.261

0.98

0.86

1.12

0.815

4

0.76

0.65

0.89

0.001

0.78

0.66

0.91

0.002

5

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

  1. *Crude model.
  2. **Adjusted by age.
  3. ***Adjusted by age and comorbidity.
  4. OR: Odds Ratio, CI: Confidence Interval.
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