Table 1 Frequency distribution of the reported Effmann classes of urethral duplication, the oldest age at presentation for each class, and the female proportion of each class
Effmann Class | Frequency (Proportion of total) | Oldest Age at Diagnosis | Number (Proportion) of Females in class |
|---|---|---|---|
Type IA | 52 (22.5%) | 54yrs | 4 (7.7%) |
Type IB | 8 (3.5%) | 20yrs | 0 |
Type IIA 1 | 25 (10.8%) | 56yrs | 4 (16.0%) |
Type IIA 1 “Y” | 2 (0.9%) | 11yrs | 0 |
Type IIA 2 | 60 (26.0%) | 35yrs | 3 (5.0%) |
Type IIA 2 “Y” | 61 (26.4%) | 30yrs | 3 (4.9%) |
Type IIB | 11 (4.8%) | 58yrs | 2 (18.2%) |
Type III | 12 (5.2%) | 52yrs | 3 (25.0%) |
Total | 231 | 19 (8.2%) |