Sentence examples for mean background counts from inspiring English sources

Both CAQ and PAQ were corrected for mean background counts.

Mean background counts and corresponding SD were determined on a half-moon-shaped region of interest on the background.

where Meanmyo is mean myocardial counts; MeanBG, mean background counts; SDmyo, standard deviation (SD) of myocardial counts; and SDBG, SD of background counts.

10 This equation can be algebraically reduced to: 11 K (a Z-table value) is less than 3 for all certainty levels less than 95.6%, and can be considered negligible for mean background counts greater than 30.

For each pool, the ELISpot value was defined as the mean replicate (maximum 4) count minus the mean background count.

The mean background count was subtracted from each triplicate sample at each time point.

A value of K is chosen for the desired percentile of statistical certainty above the mean background count.

Unlike the ratiometric threshold, in theory, the three-sigma statistical threshold approaches a 1-to-1 target-to-background ratio as the mean background count rate increases.

9 Since μ D  =  L C  +  Kσ D, the LC as a function of the mean background count can be substituted.

The ROC curve was generated by varying the number of standard deviations that must be exceeded above the mean background count rate for a probe positive threshold.

The current data set suggested that a statistical threshold using fewer than three standard deviations above the mean background count rate can increase the true positive rate without exceeding a 50% false positive rate.