From: Ratio of observed to predicted deaths in pediatric patients after introducing a closing policy in a general ICU
2001 to 2003
2004 to 2006
2007 to 2009
PIM2 score
0.066 ± 0.130
0.114 ± 0.239
0.086 ± 0.147
Observed death
19
17
11
Sum of PIM2
12.75
20.71
13.43
O/P ratio
1.49
0.82