Table 4.

Mean± SE, range, and median of Progesterone (ng/ml) levels at subset and end time points

Group	Age	Mean Progesterone level ± SE	Range of Progesterone levels	Median Progesterone levels
Young-Vehicle	8 months	27.77±6.72	18.9–39.2	19.20
	12 months	30.30±7.38	4.8–68.7	34.4
Young-VCD	8 months	11.23±3.41	5.2–17.0	11.50
	12 months	8.41±2.81	2.4–26.7	5.05
Middle-Aged- Vehicle	14 months	38.46±10.73	19.9–54.1	43.40
	18 months	40.04±10.74	9.7–76.8	45.5
Middle-Aged- VCD	14 months	50.67±11.26	29.4–67.7	54.9
	18 months	8.1±1.68	1.0–19.0	7.45