We must be aware of some of the limitations of our study.
The conclusions are based on the results of the model, but
its functionality has not been demonstrated. Implementation
could encounter political and operational problems that
cannot be dealt with in a formal model. Sensitivity analyses
were not performed on all parameters (eg, travel speeds);
the extrapolation to the full call volume might not be ap-
propriate. The model must be updated at regular intervals to
account for changes in travel times and speeds as a result of
changing urban and rural environments, changes in road
directions, expansion of lanes in roads, and so on. Opera-
tional issues relating to frequent repositioning of ambu-
lances and varying the on-duty personnel were not ad-
dressed in this study. In conclusion, a suitable model based
We must be aware of some of the limitations of our study.The conclusions are based on the results of the model, butits functionality has not been demonstrated. Implementationcould encounter political and operational problems thatcannot be dealt with in a formal model. Sensitivity analyseswere not performed on all parameters (eg, travel speeds);the extrapolation to the full call volume might not be ap-propriate. The model must be updated at regular intervals toaccount for changes in travel times and speeds as a result ofchanging urban and rural environments, changes in roaddirections, expansion of lanes in roads, and so on. Opera-tional issues relating to frequent repositioning of ambu-lances and varying the on-duty personnel were not ad-dressed in this study. In conclusion, a suitable model based
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