Your English writing platform
Discover LudwigExact(59)
Assuming a two-sided two sample t test with a significance level of 0.05 and a power of 80% required a sample size of 34 implants.
The study was designed to evaluate a difference in sensitivity between lung ultrasound and chest X-ray, which required a sample size of 62 patients.
The sample variograms that represented the spatial structure of soil moisture and reliably estimated the nugget, sill, and range required a sample size of at least 235 at our 0.15-ha site (i.e., a measurement resolution of at least 6.4 m2 per sample).
This required a sample size of 974.
We required a sample size of 200 cases/database.
For α of 0.05, with 80% power we required a sample which equalled 765 in total.
This meant that we required a sample size of approximately 150 cases of endometrial cancer.
Given the population of 1585 diabetologists this required a sample size of 213.
The precise estimation of the prevalence of PTSD required a sample size of only 1933 adults.
Studies reporting prevalence required a sample size of at least 100 patients with RA.
Similar(1)
Each test is different but some require a sample of blood or saliva.
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