Table 3 Drop out reasons in trials of Diabetes
Source | Reasons Given for drop out in the intervention and control group |
|---|---|
19 Wing 1986, US | Moved out of area, patient withdrawal and exclusion. |
14 Fontbonne 1989, France | Lost to follow up, no reasons given |
11 Allen 1990, US | Inappropriate randomization and drop outs for unknown reasons |
13 Estey 1990, Canada | Hospitalizations, initiation of insulin therapy, one death and failure to keep clinic appointments |
5 Rutten 1990, Holland | Unwilling or incapable of self-monitoring, death, referral to internist, failure to adhere to protocol, moved out of the area and admission to hospital |
15 Gallichan 1994, UK | Failure to present for re-testing |
19 Muchmore 1994, US | No reasons given |
17 Miles 1997, UK | Refusal to change over to alternative strategy, patients found the monitoring too stressful, conversion to insulin, moved out of area, found not to have diabetes post randomization and protocol violations |
18 Schwedes 2002, Germany | No reasons given |
4 Guerci 2003, France | Adverse events, patient non-compliance, consent withdrawal, loss to follow up, death, protocol violation, lack of information and other reasons |
12 Davidson 2005, US | Patient failed to return for follow up appointment. |