Table 2.
Comparison of the values found using the modified Oxford scale, surface EMG during maximum voluntary contraction, and Epi-no.
| Variable | Group | n | Mean | Standard deviation | Minimum | Maximum | Median | P |
|---|---|---|---|---|---|---|---|---|
| Oxford | Nulliparous | 30 | 2.53 | 0.57 | 1.00 | 3.00 | 3.00 | 0.005* |
| Multiparous | 30 | 2.06 | 0.64 | 1.00 | 3.00 | 2.00 | ||
|
| ||||||||
| sEMG MVC | Nulliparous | 30 | 45.35 | 12.24 | 17.27 | 69.09 | 47.86 | 0.003** |
| Multiparous | 30 | 35.79 | 11.66 | 17.07 | 61.49 | 36.55 | ||
|
| ||||||||
| Epi-no | Nulliparous | 30 | 18.05 | 2.14 | 13.50 | 23.00 | 17.75 | 0.013** |
| Multiparous | 30 | 19.39 | 1.92 | 16.50 | 24.00 | 19.00 | ||
sEMG MVC: surface electromyography during maximum voluntary contraction.
*Mann-Whitney; **Student's t-test.