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In the studies with a crossover design there may have been selection bias because only data from the first period was used to calculate efficacy.
The model uses the stable disease population, as indicated in the European Union label, 12 to calculate efficacy and the same dose as was used in the trial, ie, erlotinib 150 mg/day orally + best supportive care or placebo + best supportive care.
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To calculate the efficacy metric, we collect data from the fields uri in the table Page; time_spent from the table Usage; and day, month, and year from the table Date.
Random-effects Poisson regression was used to calculate protective efficacy in each time stratum.
No placebo group was included in the current study for ethical reasons so it is not possible to calculate the efficacy of the SP+3AQ regimen directly.
This is broadly in line with findings from a recent study on the Maine coast by Gustafson and colleagues that also used pre-treatment lice loads to calculate the efficacy of emamectin benzoate [28].
See Supplementary file Text S1 for instructions on how to download a copy of the package and on its use) was developed to calculate the efficacy of mixtures, the proportion protected and the increase in immune levels required for a single component vaccine to match a mixture.
It was not possible to calculate protective efficacy by month after IPT1, since most children received IPT2 one month later (75% within 28 days and 95% within 42 days of IPT1) and incidence of malaria in the placebo group in this period was very low (table 1).
We used drug sensitivity scoring (DSS) to calculate the efficacy of ABT-263.
The ratio between tumor volumes of animals injected with untreated (control) versus toxin-treated MM cells was used to calculate toxin efficacy.
Of the 20 RCTs analysed, 16 provided the required data to calculate the efficacy on pain intensity for 511 participants who received steroid injections and for 763 who received a comparator.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com