Table 2.

Oral glucose tolerance test (OGTT) parameters in all women with PCOS before and after metformin treatment.

OGTT Parameters	Before Metformin	After Metformin	p Value
2-hr insulin (µIn/mL)	92.1 ± 67.0	59.2 ± 42.7	<0.001 *
2-hr glucose (mg/dL)	116.0 ± 30.8	115.2 ± 35.2	0.777
2-hr G/I ratio	2.2 ± 2.1	3.5 ± 3.7	0.001 *

Abbreviations: G/I ratio, glucose/insulin ratio. * p < 0.05.