Table 2.
Vascular endothelial growth factor (VEGF) levels in aqueous samples measured fresh and after storage at −80°C for 21 days based on clinical diagnosis
| Serial no. | Macular degeneration |
Cystoid macular edema |
Diabetic macular edema |
|||
|---|---|---|---|---|---|---|
| Fresh VEGF levels on day 1 (pg/mL) | Frozen VEGF levels on day 21 (pg/mL) | Fresh VEGF levels on day 1 (pg/mL) | Frozen VEGF levels on day 21 (pg/mL) | Fresh VEGF levels on day 1 (pg/mL) | Frozen VEGF levels on day 21 (pg/mL) | |
| 1 | 5.60 | 0.60 | 6.8 | 5.22 | 25.40 | 8.17 |
| 2 | 9.21 | 1.59 | 8.41 | 5.47 | 3.95 | 3.00 |
| 3 | 2.11 | 2.00 | 12.01 | 7.75 | 13.42 | 16.04 |
| 4 | 1.33 | 1.334 | 1.12 | 0.63 | – | – |
| 5 | 6.26 | 1.73 | 17.81 | 19.41 | – | – |
| 6 | 6.35 | 2.83 | 4.94 | 3.08 | – | – |
| 7 | 7.47 | 2.28 | 17.45 | 23.74 | – | – |
| 8 | 2.12 | 2.69 | 13.04 | 11.24 | – | – |
| 9 | 2.04 | 1.93 | 5.99 | 8.00 | – | – |
| 10 | 3.06 | 3.53 | 4.54 | 3.63 | – | – |
| 11 | 2.04 | 2.90 | – | – | – | – |
| 12 | 13.77 | 10.32 | – | – | – | – |
| 13 | 4.20 | 2.93 | – | – | – | – |
| 14 | 17.31 | 17.86 | – | – | – | – |
| 15 | 4.06 | 4.63 | – | – | – | – |
| 16 | 2.52 | 2.51 | – | – | – | – |
| 17 | 8.27 | 11.50 | – | – | – | – |
| 18 | 11.84 | 13.01 | – | – | – | – |
| Col1 | Col2 | Col3 | Col4 | Col5 | Col6 | Col7 |
| Mean | 6.09 | 4.79 | 9.21 | 8.82 | 14.26 | 9.07 |
| SD | 4.55 | 4.90 | 5.64 | 7.41 | 10.75 | 6.57 |