Table 4.

Validation studies for the histologic classification scheme that included ≥100 biopsies

CharacteristicBerden et al. (8)Chang et al. (10)Hilhorst et al. (13)Tanna et al. (20)Merged Columns 2–5This Study
Patients, n100121164104486250
Histopathologic class, n (%)
 Focal16 (16)33 (27)81 (49)23 (22)153 (31)96 (38)
 Mixed16 (16)24 (20)39 (24)48 (46)127 (26)61 (24)
 Crescentic55 (55)53 (44)43 (26)26 (25)177 (36)71 (28)
 Sclerotic13 (13)11 (9)1 (1)7 (7)32 (7)22 (9)
1-yr Renal survival, n
 Focal931001009896
 Mixed6983857986
 Crescentic8473747781
 Sclerotic5029504352
5-yr Renal survival, n
 Focal9393911009490
 Mixed617269777075
 Crescentic766064746969
 Sclerotic5029253551
  • —, not reported.