Fig. 1From: Inhaled ambient-level traffic-derived particulates decrease cardiac vagal influence and baroreflexes and increase arrhythmia in a rat model of metabolic syndromeDaily time-domain HRV in ND and MetS rats. Values represent mean daily difference from diet-matched air-exposed group in change from baseline (±SE, n = 4–6/group) *—P < 0.05 vs. Air same diet. **—P < 0.05 vs. P + SOA other diet. Vertical lines indicate weekendsBack to article page