Table 4 Results of the multivariate logistic regression analysis

Age

0.996

(0.931–1.065)

0.905

Frailty score

0.412

(0.141–1.010)

0.105

Highest LDH

1.005

(1.000–1.010)

0.045

Highest CRP

1.164

(1.036–1.308)

0.011

Highest leukocyte count

1.102

(0.925–1.312)

0.277

Lowest platelet count

0.977

(0.960–0.994)

0.010

SpO₂ after starting NIPPV

0.839

(0.562–1.251)

0.388

Highest IPAP

0.711

(0.424–1.495)

0.198

Highest EPAP/CPAP

2.636

(0.962–7.220)

0.059

Highest respiratory rate

1.006

(0.863–1.172)

0.940

Remdesivir

0.801

(0.170–3.765)

0.778

Antibiotics

0.864

(0.168–4.434)

0.861

Morphine

24.771

(1.809–339.241)

0.016

Sedation^a

3.974

(0.539–29.302)

0.176

Adherence to prone positioning

0.109

(0.017–0.700)

0.020