Case mix
| | | | |
Mean (SD) age (years)
| |
129,641
|
58.7
|
(19.8)
|
Median (IQR) age (years)
| |
129,641
|
63
|
(47–73)
|
Gender male (n [%])
| |
129,643
|
76,072
|
(58.7)
|
APACHE II†
| | | | |
Mean (SD) Acute Physiology Score
| |
102,239
|
12.5
|
(6.7)
|
Mean (SD) APACHE II score
| |
102,237
|
16.5
|
(7.4)
|
Mean (SD) UK mortality probability
| |
99,281
|
0.255
|
(0.222)
|
Median (IQR) UK mortality probability
| |
99,281
|
0.181
|
(0.084–0.375)
|
Surgical status (n [%])
| |
129,604
| | |
Nonsurgical
| | |
71,473
|
(55.1)
|
Elective/scheduled surgery
| | |
33,649
|
(26.0)
|
Emergency/urgent surgery
| | |
24,270
|
(18.7)
|
Surgery, unknown classification
| | |
212
|
(0.2)
|
Outcome
‡
| | | | |
Mortality (n [%])
| | | | |
CMP unit
| |
123,610
|
25,142
|
(20.3)
|
Any critical care unit
| |
121,977
|
26,238
|
(21.5)
|
Hospital housing CMP unit
| |
122,062
|
34,912
|
(28.6)
|
Any hospital
| |
119,807
|
36,937
|
(30.8)
|
Activity
| | | | |
Median (IQR) length of stay (days)
| | | | |
CMP unit
|
Survivors
|
102,826
|
1.7
|
(0.8–4.0)
|
|
Nonsurvivors
|
26,344
|
2.0
|
(0.7–6.1)
|
Any critical care unit
|
Survivors
|
99,896
|
2
|
(1–5)
|
|
Nonsurvivors
|
27,133
|
2
|
(1–7)
|
Hospital housing CMP unit
|
Survivors
|
90,704
|
14
|
(7–27)
|
|
Nonsurvivors
|
36,991
|
8
|
(2–19)
|
Any hospital
|
Survivors
|
85,761
|
16
|
(9–33)
|
|
Nonsurvivors
|
38,651
|
9
|
(3–22)
|