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Papp values and RT (%) of sodium fluorescein at different times.
| Time (min) | 30 | 60 | 120 | 180 | 240 |
|---|---|---|---|---|---|
| Papp 1 (×10−7 cm/s) | 4.05 ± 0.742 | 1.83 ± 0.170 | 1.07 ± 0.268 | 0.79 ± 0.113 | 0.70 ± 0.028 |
| RT (%) | 0.02 ± 0.004 | 0.05 ± 0.003 | 0.07 ± 0.009 | 0.10 ± 0.012 | 0.13 ± 0.013 |
1 The regression equation of sodium fluorescein was y = 92,068x − 12,402 (R2 = 0.9999, in the range of 0.1–12.5 ng/mL).
