Table 2 mixture cure regression for modeling the survival of Covid-19 patients with low blood oxygen levels at the time of admission to the Vali-Asr Fasa Hospital

Factor

Coefficient

S.E.

OR^a

p-value

Lower

upper

Incidence

Diabetes

−0.961

0.082

0.383

0.326

0.449

< 0.001

Sex (female)

−0.432

0.082

0.649

0.553

0.762

< 0.001

Fever

−0.433

0.075

0.649

0.560

0.751

< 0.001

Cough

−0.733

0.083

0.480

0.408

0.565

< 0.001

Respiratory Distress

−4.913

0.092

0.007

0.006

0.009

< 0.001

Hypertension

−2.796

0.070

0.061

0.053

0.070

< 0.001

Cardiovascular Disease

−0.720

0.082

0.487

0.414

0.572

< 0.001

Age

- 0.330

0.007

0.719

0.709

0.729

< 0.001

Factor

confident

S.E.

HR^b

p-value

lower

upper

Latency

Diabetes

0.090

0.162

1.094

0.797

1.503

0.582

Sex (female)

0.032

0.149

1.033

0.771

1.383

0.829

Fever

0.221

0.217

1.247

0.815

1.909

0.309

Cough

0.121

0.199

1.129

0.764

1.667

0.542

Respiratory Distress

0.824

0.186

2.280

1.583

3.282

< 0.001

Hypertension

0.450

0.139

1.568

1.194

2.059

0.001

Cardiovascular Disease

0.462

0.162

1.587

1.155

2.180

0.004

Age

0.066

0.006

1.068

1.056

1.081

< 0.001

AIC of Mixture Cure