Langerhans' cell histiocytosis can manifest as three distinct clinicopathologic entities: acute disseminated Langerhans' histiocytosis (previously known as Letterer-Siwe disease), unifocal Langerhans' cell histiocytosis (previously known as eosinophilic granuloma).
average handle time (AHT) Average handle time (AHT) is a call center metric for the average duration of one transaction, typically measured from the customer's initiation of the call and including any hold time, talk time and related tasks that follow the transaction. AHT is a prime factor when deciding call center staffing levels.
Another factor in determining an adoption professionalâs average wait time is their number of active adoptive families compared to the total number of adoptions they complete annually. For example: Adoption Professional A has 100 active adoptive families and completes 100 adoptions per year, giving them a ratio of 1:1.