Table 1 |
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|
Characteristics of Medical Emergency Team calls |
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|
Characteristic |
All |
Patients with preventable AEs |
Patients without preventable AEs |
P value |
|
|
||||
|
Number |
65 |
16 |
49 |
N/A |
|
Age, years |
71 (60–81) |
76 (68–82) |
68 (59–81) |
0.32 |
|
Service |
0.02 |
|||
|
A |
12 (18%) |
1 (6%) |
11 (22%) |
|
|
B |
8 (12%) |
2 (13%) |
6 (12%) |
|
|
C |
7 (11%) |
5 (31%) |
2 (4%) |
|
|
D |
5 (8%) |
2 (13%) |
3 (6%) |
|
|
E |
5 (8%) |
1 (6%) |
4 (8%) |
|
|
F |
4 (6%) |
2 (13%) |
2 (4%) |
|
|
Other |
24 (37%) |
3 (19%) |
21 (43%) |
|
|
Admission status |
0.31 |
|||
|
Acute |
59 (91%) |
14 (88%) |
45 (92%) |
|
|
Chronic |
6 (9%) |
2 (13%) |
4 (8%) |
|
|
Length of stay, daysa |
4 (2–12.5) |
4 (3–21) |
4 (2–11) |
0.51 |
|
Call indication |
0.23 |
|||
|
Blood pressure |
23 (35%) |
5 (31%) |
18 (37%) |
|
|
Airway |
11 (17%) |
1 (6%) |
10 (20%) |
|
|
Heart rate |
8 (12%) |
3 (19%) |
5 (10%) |
|
|
Oxygen saturation |
9 (14%) |
3 (19%) |
6 (12%) |
|
|
Respiratory rate |
2 (3%) |
1 (6%) |
1 (2%) |
|
|
Urine output |
1 (2%) |
1 (6%) |
0 |
|
|
Other |
11 (17%) |
2 (13%) |
9 (18%) |
|
|
Time of dayb |
||||
|
Day (8 a.m.-5 p.m.) |
32 (49%) |
6 (38%) |
26 (53%) |
|
|
Night (5 p.m.-8 a.m.) |
33 (51%) |
10 (63%) |
23 (47%) |
|
|
|
||||
|
Values other than P value and number of patients are presented as median (range) or as number (percentage). P value represents the probability of an error when concluding that the characteristic differs by adverse event (AE) status. aLength of stay in hospital before Medical Emergency Team (MET) call; btime of day of MET call. N/A, not applicable. |
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|
Iyengar et al. Critical Care 2009 13:R126 doi:10.1186/cc7983 |
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