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Table. Body weights, paw volumes, and serum testosterone in arthritic and nonarthritic rats^*

Parameter	Arthritic rats (Means ± SEM, n = 34)	Nonarthritic rats (Means ± SEM, n = 34)

Body weight (g)	243 ± 5.1^a	312 ± 4.4^b
Paw volume (mL)	1.67 ± 0.01^a	1.08 ± 0.02^b
Serum testosterone (ng/mL)	3.43 ± 0.6^a	6.09 ± 0.43^b

^*Different letters denote a significant difference. Means of body weights are significant at P <.001, means of paw volumes are significant at P <.005, and means of serum testosterone are significant at P <.01.