Table 1

Patient demographics and medical history of 1605 mechanically ventilated patients with COVID-19 who underwent tracheostomy

DemographicsPatients with COVID-19 undergoing tracheostomy
Age (years) (N=1605)
 Mean (SD)58 (11)
Sex n (%) (N=1605)
 Male1122 (70)
 Female482 (30)
Body mass index n (%)
 <18.513 (<1)
 18.5–24.9355 (25)
 25–29.9478 (33)
 30–39.9468 (33)
 ≥40122 (8)
 (N=1437/1605)
Medical history
 Time from admission to hospital to intubation, median (IQR)(N=1518/1606)2 (0, 4)
 Use of NIV between admission to hospital and intubation n (%)(N=1525/1605)651 (43)
 Time from intubation to tracheostomy in days, median (IQR)(N=1565/1605)15 (11, 21)
Relevant comorbidities n (%)
 None391 (24)
 1563 (35)
 2412 (26)
 3120 (7)
 >336 (2)
 (n=1521/1605)
Temperature at tracheostomy >37.5°C, n (%)
 Day of tracheostomy377 (23)
 1–2 days before403 (25)
 3–4 days before250 (16)
 5 days before451 (28)
 (N=1481/1605)
CRP at the time of tracheostomy
 CRP downtrending1070 (68%)
 Mean CRP (SD)119 (88)
 Median CRP (IQR)100 (50, 165)
 (N=1583/1605)
Inotropic support at the time of tracheostomy, n (%)606 (39)
 (N=1565/1605)
Ventilatory requirements on the day of tracheostomy, median (IQR)
 FiO2 (%) (N=1549/1605)40 (30, 45)
 PaO2 (kPa) (N=1549/1605)9.8 (9, 11)
 PEEP (cmH2O) (N=1533/1605)8 (6, 10)
 PaO2/FiO2 ratio195 (153, 248)
  • N represents the number of survey responses over the total number of possible responses as an indicator of data completeness (see also online supplemental table 1).

  • CRP, C reactive protein; FiO2, inspired oxygen concentration; NIV, non-invasive ventilation; PaO2, arterial oxygen tension.