Review Article
The Efficacy of Selected Desensitizing OTC Products: A Systematic Review
Table 8
Comparison of dropouts from the included studies.
| Study | Dropouts/withdrawal | Reason for withdrawal |
| Pradeep et al. [64] | 11 |
No reason specified |
| Pradeep and Sharma [65] | 10 |
No reason specified |
| Litkowski and Greenspan [66] | No mention of dropouts |
No reason specified |
|
Ghassemi et al. [67] | Phase I: 5 | No reason specified | Phase II: 13 |
| Kaufman et al. [68] | 4 |
No reason specified |
|
|