TABLE 1.

Summary of synchronization indexes (SI) before and after treatment with different putative synchronizing agents. Mean ± SE, *P < 0.05, **P < 0.01

Glucose concentration (mM)	Number of experiments	SI before	SI after	P value
5.5	5	0.43 ± 0.14	0.45 ± 0.09	>0.05
7.5	7	0.39 ± 0.09	0.60 ± 0.11	>0.05
11.1	19	0.34 ± 0.04	0.58 ± 0.04	<0.001
15.0	7	0.47 ± 0.08	0.76 ± 0.05	<0.01
20.0	7	0.30 ± 0.08	0.58 ± 0.08	<0.05