Skip to main content

Table 1 Patient characteristics

From: Use of diaphragm thickening fraction combined with rapid shallow breathing index for predicting success of weaning from mechanical ventilator in medical patients

Parameters

(mean ± SD, otherwise unspecified)

All (n = 34)

Success (n = 25)

Failure (n = 9)

p value

Age (years)

66.5 ± 13.5

67.8 ± 13.0

62.7 ± 15.0

0.333

Male (%)

16 (47.1)

10 (40.0)

6 (66.7)

0.250

BMI (kg/m2)

22.3 ± 4.4

22.9 ± 4.1

20.6 ± 5.0

0.188

Indication for intubation (%)

• Pneumonia

18 (52.9)

12 (48.0)

6 (66.7)

0.448

• Congestive heart failure/volume overload

8 (23.5)

7 (28.0)

1 (11.1)

0.403

• Sepsis other than pneumonia

4 (11.8)

3 (12.0)

1 (11.1)

1.000

• COPD/asthma

2 (5.9)

2 (8.0)

0 (0)

1.000

• Uremic encephalopathy

1 (2.9)

1 (4.0)

0 (0)

1.000

• TRALI

1 (2.9)

0 (0)

1 (11.1%)

0.265

Ventilator day (days)

10 ± 7.8

9.9 ± 7.4

12.3 ± 9.1

0.437

Previous SBT (%)

14 (41.2)

9 (36.0)

5 (55.6)

0.307

SpO2/FIO2 ratio

242.6 ± 4.5

242.6 ± 4.2

242.7 ± 5.7

0.988

Respiratory rate (/min)

18.9 ± 3.9

18.8 ± 4.1

19.1 ± 3.4

0.860

Minute ventilation (L/min)

7.3 ± 2.0

7.1 ± 2.0

7.9 ± 1.7

0.307

  1. SD standard deviation, BMI body mass index, COPD chronic obstructive pulmonary disease, TRALI transfusion-related acute lung injury, IQR interquartile range, SBT spontaneous breathing trial, SpO 2 blood oxygen saturation, F I O 2 fraction of inspired oxygen