| http://www.w3.org/ns/prov#value | - The proportion with at least one lab test performed varied substantially by patient characteristics, while test result availability varied little, and only for variables such as system characteristics and state of residence (Table ???(Table33).Table 3Patients with lab test results reported in study population of 703,484 initiators of statins or ezetimibe using a 6-month covariate assessment period
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