PSA doubling time is a mathematical tool which gives a dynamic value to PSA (prostatic specific antigen). The diversity of methods applied for its calculation constitutes a real problem for urologists. We reviewed the literature and selected two simple methods used to calculate the PSA doubling ...
Doubling Time Definition One doubling time definition is the duration of time it takes for a population to grow when it is growing at a constant rate. A rate is the extent to which a certain parameter is changing over time (for example, the rate that X population grows is 22 specimens ...
The doubling time formula is a mathematical calculation that estimates the time required for investment, population, or another variable to double in value or size. The doubling time formula is based on the concept of exponential growth. Therefore, it assumes a constant growth rate over time. The...
600. Since we know the total amount of time taken for one task was 1,000 hours, we can infer that the incremental time to perform the second task was only 600 hours. This diminishing average theoretically continues as you advance along the learning curve. For example, the next doubling of...
If "delimiterEscape" is not specified, then the delimiter text itself will be used for escaping, i.e. this has the effect, that if the delimiter text appears in the value, then it will be escaped by doubling it. For example: If the delimiter text is the standard quote character <">,...
This bit refers to the data width of the CPU GPRs (General-Purpose, Registers, general purpose register) for 64 bits, that is to say, CPU can run 64bit data at a time. There are two main advantages of 64bit Computing: larger integer operations can be carried out, and larger memory ...
The diverse calculation methods provided significantly different absolute values but not different tumor ranking, probably because the time interval between labeling and sampling was maintained, for all the samples, between 6 and 8 h. Our study has found significant differences between the labeling ...
* Tasks on time * RE-Calculation tasks, * Insert number, * Clock and time * Slider Control! * Calculate in square! * Multiplication + Division * Find the right calculation! ... with learning curve and learning information for students, parents and teachers!
SUGI 27 Posters for area under a curve calculation. Figure 1 Plot of Time vs. Plasma Concentration Data P1 0.1373 K 0.3474 C 18.982 Table 2 Functional Form (1) Estimated Parameters %macro trap(a,b,n, function); data f1; do i = 0 to &n ; if i = 0 then do; x = &a ; y =...
time. The THD is a measurement of current on a power line only at the specific time of the measurement. The purpose of the TDD measurement is to account for situations where the THD is relatively high, but the total load is fairly low. In this type of situation, the TDD is relatively...