Table 2

Case mix, outcome and activity for major subgroups of dermatological admissions


Infective conditions
Dermatological malignancies
Acute skin failure

Admissions, n (% of all admissions)
1,926 (0.40)
191 (0.04)
199 (0.04)

Age, mean (SD)
57.6 (16.5)
65.1 (15.0)
51.7 (20.8)

Male, n (%)
1,009 (52.4)
112 (58.6)
90 (45.2)

Surgical status, n (%):



Non-surgical
1,016 (52.8)
38 (19.9)
170 (85.4)
Elective
172 (8.9)
138 (72.3)
16 (8.0)
Emergency
737 (38.3)
15 (7.9)
13 (6.5)

Past medical history*, n (%):



Steroid treatment
65 (3.4)
3 (1.6)
12 (6.1)
Chemotherapy
43 (2.3)
8 (4.2)
13 (6.6)
Metastatic disease
17 (0.9)
25 (13.2)
0 (0.0)
Chronic renal replacement therapy
37 (1.9)
1 (0.5)
5 (2.5)
Severe respiratory disease
32 (1.7)
1 (0.5)
3 (1.5)
Very severe cardiovascular disease
26 (1.4)
3 (1.6)
3 (1.5)
Radiotherapy
15 (0.8)
11 (5.8)
1 (0.5)
Lymphoma
19 (1.0)
1 (0.5)
6 (3.0)
Acute myelogenous/lymphocytic leukaemia or multiply myeloma
11 (0.6)
0 (0.0)
3 (1.5)
Portal hypertension
12 (0.6)
0 (0.0)
1 (0.5)
Biopsy proven cirrhosis
12 (0.6)
0 (0.0)
0 (0.0)
Chronic myelogenous/lymphocytic leukaemia
8 (0.4)
1 (0.5)
1 (0.5)
Home ventilation
8 (0.4)
1 (0.5)
0 (0.0)
Congenital immunohumoral or cellular immune deficiency state
5 (0.3)
0 (0.0)
1 (0.5)
Hepatic encephalopathy
5 (0.3)
0 (0.0)
0 (0.0)
AIDS
2 (0.1)
0 (0.0)
0 (0.0)

APACHE II score, mean (SD)
19.1 (7.5)
14.5 (5.3)
18.1 (7.0)

ICNARC model:



Physiology score, mean (SD)
22.7 (10.4)
12.1 (6.7)
21.2 (10.6)
Predicted mortality, median (IQR)
37.6 (16.7–64.5)
10.1 (6.2–19.2)
32.7 (12.3–62.7)

ICU length of stay (days), median (IQR):



ICU survivor
4.1 (1.7–10.0)
1.0 (0.8–2.0)
4.7 (1.9–14.8)
ICU non-survivor
1.9 (0.7–5.8)
1.0 (0.3–4.0)
4.7 (2.0–10.0)
Transfer to another ICU
4.0 (0.9–9.6)
-
3.5 (0.7–11.6)

Total acute hospital length of stay (days), median (IQR):



Hospital survivor
39 (22–66)
17 (8–28)
34 (16–75)
Hospital non-survivor
9 (3–29)
6 (3–22)
15 (7–31)

ICU bed days (% of total bed days)
13,808 (0.60)
391 (0.02)
1,923 (0.08)

Transfer to another ICU, n (%)
72 (3.7)
0 (0.0)
12 (6.0)

ICU mortality, n (%)
553 (28.7)
12 (6.3)
70 (35.2)

Ultimate hospital mortality, n (%)
757 (41.5)
24 (13.0)
90 (46.6)

Values are n (%), mean (SD) or median (IQR), as indicated. *Percentage of admissions with evidence to assess past medical history. APACHE, Acute Physiology And Chronic Health Evaluation; ICNARC, Intensive Care National Audit & Research Centre; ICU, intensive care unit; IQR, interquartile range; SD, standard deviation.

George et al. Critical Care 2008 12(Suppl 1):S1   doi:10.1186/cc6141