Table 1.
Areal densities and diameters of fibres in the external urethral sphincter (EUS) and external anal sphincter (EAS).
| EUS | EAS | |||
|---|---|---|---|---|
| Areal density (% of total) | ||||
| Laminin | 34 ± 2 | 28 ± 2 | N = 4 | P = 0.027 |
| Type 1 | 4 ± 1 | 5 ± 1 | N = 6 | P = 0.348 |
| Type 2A | 37 ± 4 | 56 ± 5 | N = 6 | P = 0.017 |
| Type 2B | 16 ± 2 | 0 | N = 5 | P < 0.001 |
| Type 2X | 0 | 0 | N = 6 | |
| Total % | 91 | 89 | ||
| Type 1 | Type 2A | Type 2B | Type 2X | |
| Average fibre diameter (μm) | ||||
| EUS | 11 ± 0.26 | 14 ± 0.1 | 19.5 ± 0.4 | 0 |
| EAS | 17 ± 0.5 | 20 ± 0.2 | 0 | 0 |
Percentages of positively labelled fibres and connective tissue (laminin) in a particular fascicle in the EUS and EAS. Average diameters of each fibre type (μm). The average fascicle area sampled was 30 214 μm2 in the EUS and 37 186 μm2 in the EAS.