Table 3 Factors associated with in-hospital mortality and successful weaning in patients receiving mechanical ventilation for at least 14 days

Performing tracheostomy

0.26 (0.18–0.39)

<0.001

2.05 (1.56–2.68)

<0.001

Do-not-resuscitate order

2.55 (1.92–3.38)

<0.001

0.53 (0.39–0.72)

<0.001

NIV after extubation

0.50 (0.35–0.71)

<0.001

Malignancy

1.33 (1.01–1.75)

0.044

Sepsis

0.61 (0.47–0.80)

<0.001

Chronic lung disease

0.68 (0.50–0.93)

0.016

APACHE II score > 23

0.71 (0.55–0.93)

0.012

PaO₂/FiO₂ > 282 (w2)

0.73 (0.56–0.96)

0.023

1.34 (1.04–1.73)

0.023

Platelet > 140 × 10³/μl (w2)

1.37 (1.05–1.79)

0.020