Fig. 2

(A) Gaussian Graphical Model with Highlighted Bridge Nodes of Biopsychological Variables in Patients undergoing Cardiac Surgery. (B) Bridge Expected Influence of Biopsychological Variables in Patients undergoing Cardiac Surgery. BMI = Body Mass Index, CRP = C-reactive protein, EUR = EuroSCORE II - Risk of 30-day mortality, EXC = Illness Perception Expectations: Consequences, EXD = Pain Disability Index: Expectations (sum), EXP = Illness Perception Expectations: Personal Control, EXT = Illness Perception Expectations: Treatment Control, ICH = Illness Perception: Coherence (Item 7 BIPQ), ICO = Illness Perception: Consequences (Item 1 BIPQ), ICR = Illness Perception: Concern & Emotional Response (Item 6 + 8, BIPQ), IID = Illness Perception: Identity (Item 5 BIPQ), IPC = Illness Perception: Personal Control (Item 3 BIPQ), ITC = Illness Perception: Treatment Control (Item 4 BIPQ), ITL = Illness Perception: Timeline (Item 2 BIPQ), MH = Short Form Health: Current Mental Quality of Life (sum), PDI = Pain Disability Index: Current Disability (sum), PH = Short Form Health: Current Physical Quality of Life (sum). (A) Red edges depict negative partial correlations. Blue edges depict positive partial correlations. (B) Nodes are sorted by one-step Bridge Expected Influence. Shaded areas indicate 95% bootstrapped confidence interval (CI). A large and positive Expected Influence implies strong and positively signed connections. A large and negative Expected Influence implies strong and negatively signed connections. Expected Influence estimations near zero or a CI overlapping zero imply weak and possibly spurious connections.