The table illustrated is presented at an infection control performance Improvement committee's meeting. Quarter 1 Results Healthcare-associated infection Current rate Benchmark Central line-associated bloodstream infections (CLABSI) in ICUS and select wards 1.079 1.000 Catheter-associated urinary tract infections (CAUTI) in ICUS and select wards 0.991 1.000 Surgical site infections (SSI) from colon surgery 2.869 1.000 Methicillin-resistant staphylococcus Aureus (MRSA) blood infections 0.000 1.000 Clostridium difficile (C. Diff) intestinal infections 0.082 1.000 Which measure indicates the greatest need for improvement compared to other hospitals?