From legend to Fig. 2
| Variable (units) | Initial value 1 | Initial value 2 | Final value 1 | Final value 2 |
| [Na+]i (mM) | 200 | 50 | 5.84 | 5.84 |
| [K+]i (mM) | 0 | 250 | 180.3 | 180.3 |
| [Cl-]i (mM) | 0 | 50 | 7.37 | 7.37 |
| [X]i (mM) | 121.4 | 151.7 | 108.5 | 108.5 |
| [Na+]t (mM) | 0 | 0.01 | 157.6 | 157.6 |
| [K+]t (mM) | 0.01 | 1 | 6.38 | 6.38 |
| [Cl-]t (mM) | 0 | 1.009 | 138.0 | 138.0 |
| [Z]t (l-1) | −0.01 | −0.001 | −25.4 | −25.4 |
| Variable (units) | Initial value 1 | Initial value 2 | Final value 1 | Final value 2 |
| [Na+]i (mM) | 200 | 50 | 5.84 | 5.84 |
| [K+]i (mM) | 0 | 250 | 180.3 | 180.3 |
| [Cl-]i (mM) | 0 | 50 | 7.37 | 7.37 |
| [X]i (mM) | 121.4 | 151.7 | 108.5 | 108.5 |
| [Na+]t (mM) | 0 | 0.01 | 157.6 | 157.6 |
| [K+]t (mM) | 0.01 | 1 | 6.38 | 6.38 |
| [Cl-]t (mM) | 0 | 1.009 | 138.0 | 138.0 |
| [Z]t (l-1) | −0.01 | −0.001 | −25.4 | −25.4 |
Note that the final value of each modeled variable, shown at time ∞ in Fig. 2, is both physiologically reasonable and independent of its initial value.