Table 3. The changes in parameters related to glucose metabolism among PCOS patients two months after treatment with a single dose of vitamin D compared to pretreatment values
Parameter	Time	Mean	Standard Deviation	Median	Minimum	Maximum	p-value
Vitamin D ng/mL	Pre	16.34	8.99	13.27	3.04	39.97	<0.001
	Post	5.07	1.77	4.72	3.00	9.00
Glucose mg/dL	Pre	109.56	14.59	109.00	78.00	136.00	0.003
	Post	103.71	13.72	102.00	77.00	137.00
HOMA-IR	Pre	2.37	1.76	1.69	.54	9.40	0.004
	Post	1.87	1.49	1.49	.26	6.84
Insulin mcU/mL	Pre	8.52	5.48	6.00	2.30	27.90	0.019
	Post	7.07	5.03	5.90	1.00	21.00