Table 12: Results of Studies Assessing Continuity of Care in Patients With CAD.

Study	Indices Used	Continuity Cut-Off	Proportion of Patients in Each Continuity Category	Hospitalization	ED Visits	CAD-Specific Outcomes
Atlas et al, 2009 (19) (USA)	Created algorithm to define connectedness to physician, practice, or neither	Equal tertiles based on study population	NR	NR	NR	LDL level < 2.59 mmol/L Physician connectedness: 77.0% (95% CI, 75.7–78.4) Practice connectedness: 77.6% (95% CI, 74.4–80.5) P = 0.74

Abbreviations: CAD, coronary artery disease; CI, confidence interval; ED, emergency department; LDL, low density lipoprotein; NR, not reported.