Table 2 Multivariable risk-adjusted predictive model for short- and long-term mortality

Age, (per 1-year increase)

1.049 (1.032–1.066)

1.050 (1.033–1.068)

1.058 (1.035–1.081)

Male

Diabetes mellitus

1.546 (1.084–2.203)

1.626 (1.093–2.420)

Chronic steroids

3.697 (1.633–8.371)

SAPS3, (per 1-point increase)

1.025 (1.008–1.041)

1.027 (1.011–1.044)

N:L ratio (per 1-unit increase)

1.009 (1.002–1.016)

1.008 (1.000–1.016)

Failed attempt of NPPV prior to orotracheal intubation

2.131 (1.279–3.550)

1.878 (1.123–3.39)

Selective Digestive Decontamination strategy

0.587 (0.358–0.963)

0.591 (0.358–0.972)

Need of vasopressor support

1.878 (1.119–3.152)

2.042 (1.205–3.460)

2.158 (1.197–3.891)

Methylprednisolone < 1 mg/kg

0.500 (0.302–0.828)

Methylprednisolone > 1 mg/kg

0.479 (0.283–0.811)

AUC (95% CI)

0.712 (0.677; 0.746)

0.728

(0.694; 0.761)

0.746 (0.705; 0.787)

Calibration, CITL (95% CI)

0.001 (-0.306; 0.308)

0.0007

(-0.312;0.313)

 < 0.001 (-0.398; 0.398)

Slope (95% CI)

1.025 (0.822; 1.228)

1.018 (0.827; 1.209)

1.000 (0.788; 1.214)