IL10 and post-traumatic stress disorder: Conversely, IL-10, an anti-inflammatory marker, was highest in controls (3159.0 ng/L, IQR 2814.0–3516.2), intermediate in PTSD > 5 y (833.7 ng/L, IQR 523.0–1448.5), and lowest in PTSD ≤ 5 y (279.0 ng/L, IQR 231.0–345.3), reflecting reduced inflammation regulation in recent PTSD (Figure 1D); pairwise adjusted p-values were <0.001 for all comparisons.