Table 3 Intubation characteristics and the weaning process among critically ill patients with intellectual disability versus matched patients without intellectual disability

Proportion of patients intubated (within the full cohort)

% (n)

86.2% (50/58)

37.9% (44/116)

< 0.001

0.77, 0.95

Time from intubation to first weaning attempt (days)

Mean±SD

[median; IQR; min–max]

4.8 ± 5.04 [1; 1–7.5; 0–23]

2.7 ± 2.8 [1; 1–4; 0–11]

0.020

0.34, 3.8

Time from first weaning attempt to extubation (days)

Mean±SD

[median; IQR; min–max]

1.5 ± 2.5 [1; 0–2; 0–14]

0.48 ± 1.4 [1; 0–1; 0–14]

0.007

0.3, 1.78

Intubation duration (days)

Mean±SD

[median; IQR; min–max]

7.3 ± 6.2 [5; 2–11; 1–24]

4.06 ± 2.7 [4; 2–5; 1–12]

0.005

1.05, 5.45

Number of extubation attempts

Mean ±SD

[median; IQR; min–max]

1.1 ± 0.6 [3; 1–1; 0–3]

0.9 ± 0.4 [3; 1–1; 0–2]

0.093

− 0.03, 0.41

Number of weaning attempts

Mean±SD

[median; IQR; min–max]

1.19 ± 0.890 [3; 1–2; 0–4]

0.88 ± 0.498 [3; 1–1; 0–2]

0.055

− 0.007, 0.62

Number of self extubations

Mean ±SD

[median; IQR; min–max]

0.05±0.221 [0; 0-1; 0-1]

0.06±0.233 [0; 0-1; 0-1]

0.7801

-0.01, 0.12

Proportion of ultimately

successful extubations

% (n)

61.2% (30)

75.0% (33)

0.156

0.65, 0.9

Reintubation within 24 h from extubation

% (n)

5.2% (3)

3.4% (4)

0.592

0, 0.16

Tracheostomy (all patients)

% (n)

20.7% (12)

2.6% (3)

< 0.001

− 0.1, 0.13

Tracheostomy (intubated patients)

% (n)

24% (12)

6.1% (3)

0.013

− 0.1, 0.13