pk.calc.ptr {PKNCA}

Determine the peak-to-trough ratio

Description

Determine the peak-to-trough ratio

Usage

pk.calc.ptr(cmax, ctrough)

Arguments

cmax

The maximum observed concentration

ctrough

The last concentration in an interval

Details

ptr is cmax/ctrough.

Value

The ratio of cmax to ctrough (if ctrough == 0, NA)