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.
Metric used to calculate the average time a call remains in the queue until a Brand Specialist has picked it up. This is also called average speed of answer. Average Handle Time (AHT) A key performance indicator, AHT measures the average length of an interaction, including hold time, talk time and after-call work.