Table 2 The multivariable Cox proportional hazard regression model for mortality and hospital discharge

Sex

Female, ref

-

-

Male

1.52

[0.77–2.99]

0.93

[0.78–1.11]

Age (years)

 < 45, ref

-

-

45–54

1.02

[0.14–7.33]

0.82

[0.64–1.05]

55–64

1.81

[0.36–9.07]

0.93

[0.73–1.19]

65–74

3.84

[0.78–18.87]

0.77

[0.57–1.04]

 > 74

2.74

[0.51–14.80]

0.73

[0.50–1.05]

Oxygen Saturation (%)

90–100, ref

-

-

80–89

3.19

[1.33–7.65]

0.57

[0.47–0.69]

 < 80

5.48

[2.18–13.78]

0.38

[0.27–0.53]

CCI

0–2, ref

-

-

 ≥ 3

2.10

[0.90–4.86]

0.80

[0.61–1.05]

Hypertension

1.14

[0.55–2.37]

0.92

[0.75–1.12]