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Table 1 Mean horse age and pituitary gland weights and histologic grades for each group

From: Restoring pars intermedia dopamine concentrations and tyrosine hydroxylase expression levels with pergolide: evidence from horses with pituitary pars intermedia dysfunction

Groups of horses (n) Age
Mean (year) ± SD
Weight
Mean (g)
± SD
Histologic grade
Median ± Range
(# adenoma/n)
Young (4) 5 ± 2 2.21 ± 0.19 2 ± 1 (0/4)
Old (4) 25 ± 5 3.14 ± 1.30 4 ± 2 (1/4)
Untreated PPID (4) 27 ± 4 6.89 ± 2.70 5 ± 0 (4/4)
Treated PPID (6) 26 ± 3 5.28 ± 1.10 5 ± 0 (6/6)