Table 2

Patient demographics

Parameters
Total cohort
Successful extubation
Failed extubation

n
153
93
60
Age (years)
70 (60–78)
70 (60–77)
70 (59–79)
Male (n [%])
70 (45.8)
37 (39.7)
33 (55)
APACHE II score
21 (17–28)
21 (17–29)
21 (16–26)
Etiology of respiratory failure
     Pulmonary
105 (68.6)
67 (72)
38 (63.3)
     Cardiac
14 (9.2)
10 (10.8)
4 (6.7)
     Neurologic
10 (6.5
5 (5.4)
5 (8.3)
     Renal
2 (1.3)
2 (2.2)
0 (0)
     Other
16 (10.5)
6 (6.5)
10 (16.7)
Surgical service
32 (20.9)
10 (10.8)
22 (36.7)
     Gastrointestinal
15 (9.8)
3 (3.2)
12 (20.0)
     Vascular
8 (5.3)
2 (2.2)
6 (10.0)
     Thoracic
6 (6.9)
2 (2.2)
4 (6.7)
     Obstetric/gynecologic
1 (0.6)
1 (1.1)
0 (0.0)
Days before initiation of weaning
1 (0.5–2)
1.25 (1–2.4)
1 (0.5–2)
Pre-extubation (days)
3 (1–7)
4 (2–7)
2 (1–5)

Data presented as median (interquartile range) or as n (%). APACHE, Acute Physiology and Chronic Health Evaluation.

Seymour et al. Critical Care 2004 8:R322   doi:10.1186/cc2913