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High-sensitivity C-reactive protein (hsCRP) levels (mg/dL) from young inactive (18–35 years; n = 19), young physically active (n = 21), old inactive (65–80 years; n = 21), and old physically active subjects (n = 23). *P < .05 for group (physically active vs inactive). †P < .05 (age effect; young lower than old).10
