| Ouabain Content in the medium (Mol) | Normal Ringer | Normal Ringer Containing 10−4 M Ach | Normal Ringer Containing 10−4 MGABA | Isotonic + 5 × 10−2 M PTZ |
| 10 × 10−20 | 3.16 ± 0.48 | 5.13 ± 0.62 | 4.24 ± 0.21 | 5.21 ± 0.28 |
| 1 × 10−9 | 20.56 ± 0.55 | 30.54 ± 1.55 | 27.63 ± 3.17 | 17.18 ± 1.1 |
| 5 × 10−9 | 109.40 ± 10.47 | 170.29 ± 13.36 | 139.62 ± 11.43 | 26.79 ± 1.8 |
| 1 × 10−8 | 143.54 ± 8.91 | 270.93 ± 28.53 | 174.48 ± 13.54 | 29.0 ± 2.3 |
| 1 × 10−7 | 3254.47 ± 74.20 | 3944.33 ± 107.23 | - | - |
| 1 × 10−6 | 23938.20 ± 852.41 | 3944.33 ± 107.23 | - | - |