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Stability of VC in whole blood under room temperature (about 20–25 °C), n = 6.
| Time | Concentration (mg/L) | Standard deviation | Fold-degradation (compared with 0.5 h) | P value (compared with 0.5 h) |
|---|---|---|---|---|
| 0.5 h | 12.07 | 1.16 | NA | NA |
| 1.5 h | 11.14 | 1.47 | 7.7 | NS |
| 2 h | 10.52 | 1.84 | 12.8 | NS |
| 3 h | 7.05 | 2.37 | 41.6 | 0.0009 |
| 4 h | 5.01 | 3.02 | 58.5 | 0.0003 |
NS: no significant difference. NA: not applicable.
