02-26-2014, 03:05 PM
A suburban hospital yearly surgical infection statistics are shown below:
Surgical infection...............[Fatal]...[% of fatal].......[Non-fatal]....[% of Non-fatal]
Clostridium difficile................ 2 ............. 3 ................... 14 ................. 6
S. aureus,methillin-sensitive... 10 .......... 13 ................... 25 ................ 11
S. aureus,methillin-resistant ... 40 .......... 53 .................. 70 ................ 32
E.coli ................................... 10 .......... 13 .................. 50 ................. 23
Clostridium perfringens .......... 1 ............ 1..................... 1 .................. less than 1
S. epidermidis........................ 2 ............ 3 .................... 30 ................ 14
Others .................................. 10 ..........13 ................... 30 ................ 14
Overall ................................. 75 ..........100 ................. 220 ............... 100
What is the case-fatality rate for methcillin-resistant S. aureus surgical infections in this hospital?
A- 40/70
B- 40/110
C- 40/75
D- 53/100
E- 70/220
Surgical infection...............[Fatal]...[% of fatal].......[Non-fatal]....[% of Non-fatal]
Clostridium difficile................ 2 ............. 3 ................... 14 ................. 6
S. aureus,methillin-sensitive... 10 .......... 13 ................... 25 ................ 11
S. aureus,methillin-resistant ... 40 .......... 53 .................. 70 ................ 32
E.coli ................................... 10 .......... 13 .................. 50 ................. 23
Clostridium perfringens .......... 1 ............ 1..................... 1 .................. less than 1
S. epidermidis........................ 2 ............ 3 .................... 30 ................ 14
Others .................................. 10 ..........13 ................... 30 ................ 14
Overall ................................. 75 ..........100 ................. 220 ............... 100
What is the case-fatality rate for methcillin-resistant S. aureus surgical infections in this hospital?
A- 40/70
B- 40/110
C- 40/75
D- 53/100
E- 70/220
