Table 1.
Smooth muscle surface density of corpus cavernosum of Wistar Kyoto normotensive animals (WKY) and spontaneously hypertensive rats (H) as measured by two different morphometrical methods.
| Observer | WKY | H | P value |
|---|---|---|---|
| A | |||
| Point-counting method (%) | 10.30 ± 3.08 | 13.28 ± 1.33 | 0.012 |
| Color-based segmentation method (%) | 09.18 ± 2.72 | 11.48 ± 1.76 | 0.038 |
|
| |||
| P value | 0.119 | 0.001 | |
|
| |||
| B | |||
| Point-counting method (%) | 11.08 ± 2.27 | 13.94 ± 1.45 | 0.003 |
| Color-based segmentation method (%) | 07.85 ± 0.93 | 10.83 ± 2.34 | 0.002 |
|
| |||
| P value | 0.001 | 0.002 | |
Data are shown as mean ± standard deviation. Means were considered significantly different if P < 0.05.