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Table 1 Average monthly numbers of bloodstream infections and patient days by hospital level in Queensland, Australia, 2001-2007.

From: Improved hospital-level risk adjustment for surveillance of healthcare-associated bloodstream infections: a retrospective cohort study

Hospital level by outcome Mean Standard Deviation Range (min to max)
OBSI    
1 13.7 12.6 0 to 61
2 2.6 2.7 0 to 18
3 0.7 1.1 0 to 6
STAPH    
1 2.6 2.4 0 to 13
2 0.8 1.1 0 to 8
3 0.2 0.4 0 to 3
IVD-STAPH    
1 0.9 1.2 0 to 8
2 0.2 0.5 0 to 3
3 0.1 0.2 0 to 1
MRSA    
1 0.6 0.9 0 to 4
2 0.2 0.5 0 to 3
3 0.03 0.2 0 to 1
Patient days    
1 13464.1 6325.8 4775 to 26225
2 6564.0 3232.6 2205 to 17929
3 2476.7 1026.6 915 to 9635