Table 1 Baseline clinical characteristics of the study population

N

Male (%)

Age (years)

Body mass index (kg/m²)

Predicted body weight (kg)

Infection diagnosis to intubation delay (days)

Hospital admission to intubation delay (days)

NIRS pre-intubation (days)

IMV duration pre-enrollment (days)

Sequential organ failure assessment score

PaO₂/FiO₂ post-intubation (mmHg)

PEEP at enrollment

FiO₂ at enrollment

Pronation attempts (N)

Comorbidities

 Arterial hypertension (%)

 Chronic heart disease (%)

 Diabetes (%)

 Chronic kidney failure (%)