Sentence examples for response a sample size from inspiring English sources

Assuming 55% of patients in group 2 and 35% of patients in group 1 would achieve an ACR20 response, a sample size of 120 patients in both groups 1 and 2 was needed to achieve greater than 85% power (two-sided χ test, α  =  0.05).

11 25 Assuming 55% or more of patients in groups 3 and 4 and 35% of patients in group 1 would achieve an ACR20 response, a sample size of 120 patients in group 1 and 80 patients in groups 3 and 4 was required to achieve greater than 90% power (two-sided χ, α  =  0.05).

However, for convenience and the possibility of non-response, a sample size of 250 was used.

However, in order to overcome the problem of non-response, a sample size of 400 households was considered for this study.

Adjusting for the design effect and response rate, a sample size of 11,806 was selected and rounded to 12,000.

Considering participants' compliance, none response and withdraw, a sample size of 100 per arm is needed.

We increased the sample size by 5% to account for non-responses, resulting in a sample size of 679.

Based on 80% study power, Type I error of 0.05, design effect of 2, a difference of 8% in two groups and a non-response of 20%, a sample size of 2261 was required.

Based on an initially required sample size of 10% of nurses, and a correction factor of 10% for nurses who would have left the services by the time they would have received the questionnaire, and for a non-response of 20%, a sample size of 138 nurses was calculated.

The postal survey achieved a response rate of 20%; a sample size of 308 was achieved.

Assuming a response rate of 50%, a sample size of 300 would give 95% confidence intervals around a proportion of 50% from 44%to56%6%.