In setting out the task before them, the
authors acknowledge prior research on the subject. They note that those earlier
studies were subject to certain biases that would interfere with their
accuracy. The authors were, therefore, addressing themselves to the same
question regarding the nature of the independent association between hospital-acquired
infection with Clostridium Difficile and length of stay in hospital. Admission
data available at Ottawa Hospital was used to conduct the study through a
retrogressive observation. This was done only after securing the approval of
The Ottawa Research Ethics Board. The authors were also careful to stipulate an
appropriate criterion for including and excluding data. For instance, only data
for those admitted after July 1, 2002 was included. The discharge for these
people must also have taken place before March 31, 2009.From that data, a
sample of 136,877 drawn from The Ottawa Hospital admission (Forster et al,
Taljaard, Oake, Wilson, Roth & Walraven, 2012).
The research was able to generate three main
outcomes. First, it established that there is a significant and independent
positive relationship between Hospital-acquired C. Difficile and the length of
time that a patient has to stay in hospital. This is in addition to the outcome
that patients with a higher baseline risk of death are more affected by the
condition but this effect tends to decrease with increase in the average time
that a patient stays in hospital.
Reference
Forster,A.J.,Taljaard,M.,Oake,N.,Wilson,K.,Roth,V.,&Walraven,C.(2012).The
Effect of Hospital-Acquired Infection
with Clostridium Difficile on Length of Stay in Hospital. Canadian
Medical Association Journal, 184(1), 37-42.
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