Before | After | ||||||
Grade | N | G0 | GI | GIIa | GIIb | GIII | |
G0 | 26 | 21 (80.8%) | 0 (0.0%) | 5 (19.2%) | 0 (0.0%) | 0 (0.0%) | |
GI | 134 | 1 (0.7%) | 41 (30.6%) | 15 (11.2%) | 17 (12.7%) | 60 (44.8%) | |
GIIa | 27 | 0 (0.0%) | 6 (22.2%) | 3 (11.1%) | 6 (22.2%) | 12 (44.4%) | |
GIIb | 13 | 0 (0.0%) | 1 (7.7%) | 2 (15.4%) | 5 (38.5%) | 5 (38.5%) | |
GIII | 1 | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 1 (100%) | |
^P | <0.001* | ||||||