Figure 1

The change of FFA levels with different storing temperature and time. The histogram showed FFA levels (A) 4△represents stored at 4°C 4 h, others stored at room temperature .Scatter plots show relationships of storing time (h) and serum FFA (B). ***P < .001, paired t-test: compared to room temperature 1 h. ^###P < .001, paired t-test: compared to 4°C 4 h. The dotted line was a virtual-line.