Statistics is categorized in descriptive and inferential statistics based on their concerned role.
Agreement between adherence methods was assessed by Kappa statistics and Bland/Altman plots.[10] To calculate Kappa statistics, children were categorized as having adherence <80% versus ≥80% and <95% versus ≥95% for each adherence method.
Data on education (i.e., total number of years attending any kind of school) registered by Statistics Norway were categorized according to the participants' years of education as follows: 1 = up to 7 years of education (reference group in the analysis); 2 = 8 10 years of education; 3 = 11 13 years of education; and 4 = 14 years of education or more.
Agreement between GMPS with phase analysis and 2-D speckle tracking radial strain analysis for assessment of the site of latest mechanical activation was evaluated using Cohen's kappa statistics, and k values were categorized as poor (<0.40), moderate (0.40 0.75) or good (>0.75) agreement.
Once all recommendations were categorized, descriptive statistics were performed, to identify characteristics associated with surrogates overall and with accepted versus non-accepted surrogates.
The theses were categorized as using statistical methods if descriptive statistics (distributions, means, medians, standard deviations, etc).
Weak PAMs whose concentration response curve did not reach a plateau but did significantly enhance a glutamate EC20 were categorized as PAMs, but fit statistics were not determined.
For calculation of summary statistics and graphical display, observed and simulated concentration data were categorized by rounded time after dosing.
The SEI groups were categorized according to the criteria of Statistics Sweden [ 25], used for national demographic statistics.
The individuals' municipalities of residency (n=21) were categorized according to average wealth per person, based on the wealth statistics for 2007 (Source: Statistics Sweden förmögenhetsstatistik).
