Sensitivity analysis looks at the how sensitive the result are to changes to certain factors. They are sometimes referred to as "what if" analyses.
http://businessplanhu...d-components-involved
In this case it looks at the impact of changes to 'protocol violators'. A protocol deviation is any change, divergence, or departure from
the study design or procedures of a research protocol that is under the investigator’s control and that has not been approved
http://www.genome.gov...tion_examples8-07.pdf