求翻译：血清3小时，4小时组血糖测定结果与对照组比较均有所下降，差异有统计学意义。血浆3小时组与对照组比较差异无统计学意义。是什么意思？

Serum 3 hours, 4 hours of blood glucose measurement results were compared with the control group decreased, the difference was statistically significant. Plasma three hours compared with the control group the difference was not statistically significant.

Serum 3 hours and 4 hours group blood sugar measurements and the contrast group has declined, the differences statistically. Plasma 3 -hour group differences and the contrast group without a statistically.

The blood serum 3 hours, 4 hour group blood sugar determination result and the control group quite are even have the drop, the difference have statistics significance.Blood plasma 3 hours groups and control group comparison difference non-statistics significance.

Serum 3-hour, 4 hour blood glucose test result and control groups comparing has declined, differences are statistically significant. Plasma 3 hours and control groups comparing the difference was not statistically significant.

Serum 3 hours, 4 hours of blood glucose measurement results were compared with the control group decreased, the difference was statistically significant. Plasma three hours compared with the control group the difference was not statistically significant.