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Numbers and intervals of the screening examinations on the study participants
| Variable | All patients | Patients with progression | Patients without progression |
|---|---|---|---|
| Screening period (years) | 12.88 (1.89) | 12.52 (1.96) | 13.24 (1.75) |
| Number of visits | 7.48 (2.57) | 7.97 (2.48) | 7.00 (2.60) |
| Screening interval (years) | 1.72 (0.64) | 1.57 (0.55) | 1.89 (0.74) |
Data are presented as means ± SD
