|
|
|
|
Studies that look at treatment
effects or other effect sizes |
| |
|
|
Dichotomous (number of events) |
|
Unmatched groups, prospective (e.g.,
controlled trials, cohort studies) |
|
Events and sample size in each
group |
|
Non-events and sample size in each group |
|
Events and non-events in each group |
|
Event rate and sample size in each group |
|
Chi-squared and total sample size |
|
Matched groups, prospective (e.g.,
crossover trials or pre-post designs) |
|
Matched 2x2 table |
|
Events and sample size in each treatment,
and external correlation |
|
Non-events and sample size in each treatment,
and external correlation |
|
Events and non-events in each treatment, and
external correlation |
|
Event rate and sample size in each treatment,
and external correlation |
|
Unmatched groups, retrospective
(e.g., case control studies) |
|
Exposed and unexposed for cases and controls |
|
Exposed and total for cases and controls |
|
Proportion exposed and total for cases and
controls |
|
Matched 2x2 table for case-control study |
|
Computed effect sizes |
|
Odds ratio and confidence limits |
|
Log odds ratio and standard error |
|
Log odds ratio and variance |
|
Peto's (O-E) and V |
|
Risk ratio and confidence limits |
|
Log risk ratio and standard error |
|
Log risk ratio and variance |
|
Risk difference and confidence limits |
|
Risk difference and standard error |
|
Risk difference and variance |
|
Continuous (means) |
|
Unmatched groups, post data only |
|
Mean, SD and sample size in each group |
|
Difference in means, common SD, and sample
size |
|
Cohen's d (standardized by pooled within-groups
SD) and sample size |
|
Means, sample size, and t-value |
|
Difference in means, sample size, and t-value |
|
Sample size and t-value |
|
Means, sample size, and p-value |
|
Difference in means, sample size, and p-value |
|
Sample size and p-value |
|
Unmatched groups, pre and post data |
|
Means, SD pre and post, N, in each group,
Pre/Post Corr |
|
Means, SD difference, N, in each group, Pre/Post
Corr |
|
Means pre and post in each group, t within
groups, N |
|
Means pre and post in each group, p within
groups, N |
|
Means pre and post in each group, F for difference
between changes, N |
|
Mean change, SD pre and post, N, in each group,
Pre/Post Corr |
|
Mean change, SD difference, N, in each group,
Pre/Post Corr |
|
Mean change in each group, t within groups,
N |
|
Mean change in each group, p within groups,
N |
|
Mean change in each group, F for difference
between changes, N |
|
F for difference between changes, N |
|
One group (pre-post) and matched
groups |
|
Mean difference, SD of difference, and sample
size |
|
Means, SD Pre, SD Post, Pre/Post correlation,
and sample size |
|
Means, sample size, and paired t-value |
|
Means, sample size, and paired p-value |
|
Mean difference, sample size, and t-value |
|
Mean difference, sample size, and p-value |
|
Sample size and t-value from paired t-test |
|
Sample size and p-value from paired t-test |
|
Computed effect sizes |
|
Raw difference in means and confidence limits
(independent groups) |
|
Raw difference in means and standard error
(independent groups) |
|
Raw difference in means and variance (independent
groups) |
|
Cohen's d (standardized by pooled within-groups
SD) and confidence limits |
|
Cohen's d (standardized by pooled within-groups
SD) and standard error |
|
Cohen's d (standardized by pooled within-groups
SD) and variance |
|
Hedges's g (standardized by pooled within-groups
SD) and confidence limits |
|
Hedges's g (standardized by pooled within-groups
SD) and standard error |
|
Hedges's g (standardized by pooled within-groups
SD) and variance |
|
Raw mean difference and confidence limits
(paired study) |
|
Raw mean difference and standard error (paired
study) |
|
Raw mean difference and variance (paired study) |
|
Cohen's d (standardized by SD of difference
scores) and confidence limits |
 |
Cohen's d (standardized by SD of difference
scores) and standard error |
|
Correlation |
|
|
Computed effect sizes |
|
Correlation and sample size |
|
Correlation and standard error |
|
Correlation and variance |
|
Fisher's Z and sample size |
|
Fisher's Z and standard error |
|
Fisher's Z and variance |
|
Correlation and t-value |
|
t-value and sample size for correlation |
|
p-value and sample size for correlation |
|
Rates (events by person years) |
|
Unmatched groups |
|
Events and person years in each group |
|
Event rate and person years in each group |
|
Computed effect sizes |
|
Rate ratio and confidence limits |
|
Log rate ratio and standard error |
|
Log rate ratio and variance |
|
Rate difference and confidence limits |
|
Rate difference and standard error |
|
Rate difference and variance |
|
Survival (time to event) |
|
Computed effect sizes |
|
Hazard ratio and confidence limits |
|
Log hazard ratio and standard error |
|
Log hazard ratio and variance |
|
|
|
|
|
|
Studies that look at events
or means for one group |
| |
|
|
Dichotomous (number of events) |
|
Raw data |
|
Events and sample size |
|
Non-events and sample size |
|
Events and non-events |
|
Event rate and sample size |
|
Continuous (means) |
|
Raw data |
|
Mean, SD and sample size |
|
Computed effect sizes |
|
Mean and confidence limits |
|
Mean and standard error |
|
Mean and variance |
|
Rates (events by person years) |
|
Raw data |
|
Events and person years |
|
Event rate and person years |
|
|
|
|
|
|
Generic effects analyzed
in raw scale units |
| |
|
|
Data analyzed in raw scale |
|
Computed effect sizes |
|
Point estimate and condfidence limits |
|
Point estimate and standard error in raw units |
|
Point estimate and variance in raw units |
|
|
|
|
|
|
Generic effects analyzed
in log units |
| |
|
|
Data analyzed in log scale |
|
Computed effect sizes |
|
Point estimate and confidence limits in raw
units |
|
Point estimate and standard error in log units |
|
Point estimate and variance in log units |
|
Copyright ©2006
Biostat, Inc.