Gera
classification
Keros classification
Type I Type II Type III Total
N (%) N (%) N (%) N (%)
Type I 26 (3.4) 195 (25.3) 46 (6) 267 (34.7)
Type II 101 (13.1) 351 (45.6) 33 (4.3) 485 (63)
Type III 10 (1.3) 8 (1) 0 (0) 18 (2.3)
Total 137 (17.8) 554 (71.9) 79 (10.3) 770 (100)

N = number of sides.