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Comparison between the Bosniak category IIF cysts that progressed (i.e., were reclassified) and those that remained stable.
| Progression | ||
|---|---|---|
| Characteristics | No (n = 145) |
Yes (n = 7) |
| Age (years), range (mean) | 31-94 (63) | 36-86 (57) |
| Male/female, n/n | 100/36 | 7/0 |
| Size (cm), range (mean) | 1.0-16 (3.1) | 1.0-2.8 (1.9) |
| Time to progression (months), range (mean) | 6-118 (28) | 1-48 (20) |
