Tabla 2: Riesgos proporcionales de Cox para variables asociadas.

Variable

HR

p

IC

Edad

1.06

0.000

1.030-1.105

Uso de corticosteroides

2.20

0.454

0.279-17.358

Uso de tocilizumab

0.54

0.159

0.229-1.273

SOFA

2.31

0.039

1.043-5.152

APACHE II

1.10

0.864

0.339-3.610

SAPS II

0.94

0.939

0.247-3.646

Diabetes mellitus

2.47

0.019

1.163-5.264

EPOC

1.35

0.632

0.392-4.672

Cáncer

0.41

0.262

0.092-1.914

Cardiopatía isquémica

3.29

0.069

0.944-11.505

Fibrilación atrial

0.57

0.546

0.094-3.481

pH

0.04

0.069

0.001-1.265

Dímero D

1.00

0.320

0.999-1.000

HR = Hazard Ratio, IC = intervalo de confianza,

SOFA = Sequential Organ Failure Assessment,

APACHE II = Acute Physiology Age Chronic Health Evaluation,

SAPS II = Simplified Acute Physiology score II,

EPOC = enfermedad pulmonar obstructiva crónica.