From: Statistics review 10: Further nonparametric methods
Cardiothoracic ICU
Medical ICU
Neurosurgical ICU
7 (5.5)
4 (3)
20 (15)
1 (1)
25 (17)
2 (2)
16 (14)
13 (12)
6 (4)
11 (10)
9 (8)
21 (16)
14 (13)
8 (7)