Assigning Properties
For
many properties, you can specify more than one value. Click 
to specify multiple values.
to specify multiple values.
Note: Specify only one value per row.
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Properties
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Description
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Solve For
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Select the
quantity to solve for
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requests a solution
for power, total sample size, or total number of uncensored events.
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Analysis Details
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Select the
number of sides of the test
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specifies whether to
perform a one-sided test or two-sided test.
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Significance Level
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specifies the alpha
values.
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Hazard Ratio
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specifies the hazard
ratio for a one-unit increase in the predictor of interest x1,
holding any other predictors constant. The hazard ratio is equal to
 , where  is the regression coefficient of x1.
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R-Square
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specifies the R2 value
from the regression of the predictor of interest on the remaining
predictors. The sample size is either multiplied (if you are computing
power) or divided (if you are computing sample size) by a factor of
 .
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Standard Deviation
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specifies the standard
deviation for the predictor.
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Uncensored Events
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specifies the expected
number of uncensored events.
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Sample Size
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specifies whether to
allow fractional sample sizes. Specifies the form of the sample size.
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