Table 2 Prevalence of various risk factors and their association with long-term ventilation in the overall cohort, as well as separately for women and men.

Baseline predictors

 Intercept

 Age [years]

1.00 (0.99–1.00)

0.99 (0.98–0.99)

1.00 (1.00–1.00)

 Sex [female]

0.91 (0.83–1.01)

-

-

 Nursing home accommodation

0.65 (0.49–0.87)

0.62 (0.91–2.16)

0.66 (0.46–0.94)

Diagnosis

 Pre-existing medical conditions (in 365 days prior to the MV case)

  Dementia

1.87 (1.25–2.78)

1.40 (0.91–2.16)

2.68 (1.44–5.01)

  Thyroiditis

0.88 (0.73–1.05)

1.05 (0.81–1.37)

0.84 (0.68–1.04)

  Eating disorders

2.2 (1.2–4.03)

0.95 (0.46–1.98)

3.16 (1.37–7.26)

  Rheumatic mitral valve disease

2.37 (1.68–3.33)

2.74 (1.82–4.12)

1.71 (1.08–2.72)

  Pneumothorax

2.24 (1.19–4.22)

1.76 (0.73–4.25)

1.94 (1.02–3.69)

Peritonitis

0.56 (0.32–0.96)

0.70 (0.36–1.36)

0.55 (0.3–1)

Admission diagnosis

 Cardiac arrhythmia

0.66 (0.39–1.12)

0.75 (0.29–1.93)

0.89 (0.54–1.46)

 Cerebral infarction

2.08 (1.58–2.73)

1.41 (0.97–2.07)

2.33 (1.72–3.14)

 Acute pancreatitis

3.57 (2.02–6.3)

4.73 (1.62–13.78)

3.01 (1.69–5.37)

Diseases (previous diseases, admission diagnosis, MV case)

 Pulmonary or abdominal metastasis

0.63 (0.45–0.88)

0.67 (0.41–1.09)

0.71 (0.5–1)

 COPD

1.85 (1.68–2.05)

1.79 (1.54–2.08)

1.73 (1.55–1.93)

 Dependence on aspirator and/or ventilator (Non-invasive ventilation)

6.1 (4.8–7.76)

5.56 (3.97–7.77)

6.19 (4.81–7.96)

Operations and procedures

 Operations and procedures in the 365 days prior to the MV case

  Tracheostomy. permanent or temporary

2.53 (1.96–3.28)

3.23 (2.24–4.66)

2.73 (2.06–3.61)

  Creation of a dialysis fistula. shunt or bypass

0.34 (0.17–0.65)

0.24 (0.05–1.13)

0.49 (0.27–0.9)

 Operations and procedures during theMV case up to 95 h after intubation

  Bronchoscopy

1.15 (1.04–1.27)

1.20 (1.03–1.38)

1.15 (1.04–1.28)

  Native computed tomography of the chest

1.16 (1.01–1.33)

1.16 (0.95–1.43)

1.04 (0.9–1.21)

  Computed tomography and/or magnetic resonance imaging of the cranium with imaging contrast medium

1.34 (1.15–1.56)

1.22 (0.99–1.52)

1.31 (1.11–1.54)

  Operations on the spinal cerebrospinal fluid system (drainage. shunt. catheter; also. removal)

2.54 (1.33–4.86)

5.69 (1.92–16.83)

2.01 (0.97–4.18)

  Tracheostomy, permanent or temporary

4.17 (3.63–4.78)

4.44 (3.63–5.41)

3.63 (3.12–4.22)

  Radical cervical lymphadenectomy

0.25 (0.13–0.5)

0.09 (0.02–0.39)

0.26 (0.13–0.51)

  Chest tube

1.35 (1.16–1.57)

1.27 (1.03–1.58)

1.23 (1.05–1.45)

  Positioning treatment in a special bed**

2.37 (1.78–3.15)

2.07 (1.35–3.17)

2.27 (1.66–3.13)

  Autologous blood collection and transfusion

0.71 (0.51–0.97)

0.6 (0.35–1.01)

0.83 (0.61–1.15)

  Transfusion of plasma components and genetically engineered plasma proteins

1.46 (1.27–1.69)

1.4 (1.14–1.73)

1.43 (1.22–1.66)

  PECLA. ECCO2R. vv- und va ECMO und Pre-ECMO therapy

1.43 (1.11–1.85)

0.93 (0.6–1.42)

1.62 (1.25–2.1)

  Complex treatment for colonization or infection with multidrug-resistant pathogens

1.46 (1.2–1.78)

1.36 (1.03–1.81)

1.44 (1.17–1.77)