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.
The Average Labor Time The length and experience of each labor are different for every woman and every pregnancy depending on a variety of factors. The factors that can affect the length of labor include: 1  If you've had a baby before (parity) 2  Your pelvis (shape and size) 3  Your baby's position. 4  Contraction strength and timing. 5  Natural labor or induction. 6  The age of the mother (maternal age)