Table 2.
Participant flow and reasons for withdrawal (several reasons were possible)
| Number of patients present at visit | Withdrawal period | Withdrawal with no indicated reason | Wishes to stop the visits | Lost to follow-up | Relapse | Smokingcessation | Did not meet inclusion criteria | Comments |
|---|---|---|---|---|---|---|---|---|
| V0=227 | ||||||||
| V1=132 | V0–V1 | 54 | 24 | 8 | 2 | 1 | 1 | 5 not present at V1 but present at V2 |
| V2=88 | V1–V2 | 32 | 4 | 2 | 6 | 4 | 1 not present at V2 but present at V3 | |
| V3=65 | V2–V3 | 11 | 3 | 2 | 3 | 4 | 3 not present at V3 but present at V4 | |
| V4=53 | V3–V4 | 12 | 1 | 1 | 1 |
Abbreviations: V0, inclusion visit; V1, visit at 1 month; V2, visit at 2 months; V3, visit at 3 months; V4, visit at 6 months.