TABLE 3.

Updated STAIR Recommendations for Preclinical Stroke Studies^*

Randomization	The method by which animals are allocated to the different groups should be described.
Sample Size Calculation	The method for how sample size of each group is calculated should be described.
Inclusion/Exclusion Criteria	The criteria for including as well as excluding animals from data analyses should be described.  All randomized animals should be accounted for in data presentation unless clearly delineated.
Allocation Concealment	The method for allocation concealment should be described. Allocation is concealed if the  investigator responsible for the treatment and follow up care of animals is unaware of the  treatment identity.
Blinded Assessment of Outcome	The assessment outcome is blinded if the investigator responsible for quantifying outcomes  (e.g. histopathology) is unaware of animal treatment group.
Reporting Conilicts of Interest  and Study Funding	Presence or absence of any perceived conflict of interest should be reported.

^*Table modified from Fisher et al. (24).