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. 2018 Jun 5;18:172. doi: 10.1186/s12888-018-1689-8

Fig. 4.

Fig. 4

a + b Cardiac anxiety as a function of depressive symptoms and fear of body sensations (BSQ). Solid line indicates non-cardiac chest pain patients with history of, and dashed line chest pain patients with no history of cardiac disease. The lines are smoothed by means of distance-weighted least squares regression (DWLS)