Table 3 Central tendencies and dispersion measures of registered continuous variables
From: Impact of methodology on estrogens’ effects on cerebral ischemia in rats: an updated meta-analysis
Variable | Unit | Mean | Standard deviation | Median | Inter-quartile range |
|---|---|---|---|---|---|
Total number of rats in estrogen treated and control groups | Â | 16.0 | 7.3 | 15 | 10-20 |
Slow-release pellets: estrogen dose/pellet | ÎĽg | 412.6 | 53.0 | 180.0 | 25.0-1000.0 |
Injections: daily estrogen dose | ÎĽg/kg body weight | 794.8 | 3006.2 | 100.0 | 11.9-200.0 |
Silastic capsules: estrogen dose/silastic capsule | ÎĽg | 77.5 | 124.8 | 28.0 | 27.2-28.0 |
Length of time between initiation of estrogen administration and induction of the ischemic damage | Hours | 221.6 | 600.5 | 168 | 0.5-324 |
Length of time between ischemia and evaluation of damage | Hours | 49.6 | 96.4 | 24.0 | 24.0-24.0 |
Infarct size ratio between estrogen treated and control rats | % | 72.1 | 42.3 | 56.2 | 43.7-93.9 |