Temperature: Wild fish prefer lower temperatures but tank-bred specimens are happy over the range 72 to 77Â°F (22 to 25Â°C). It won't do well if kept in warmer water than this long-term, with the likelihood its lifespan will be reduced considerably. pH: 6.0 to 7.4.
Acid Test Ratio. The acid test ratio, sometimes called the quick ratio, is a liquidity ratio that measures a companys ability to pay off its current debts with only quick assets. Quick assets, sometimes called cash equivalents, are current assets that can be quickly and easily converted into cash in the current period.
The hazard ratio, sometimes called a relative hazard, is typically used to compare time to event data between two treatment groups. The hazard ratio of death for the intervention group compared with the control group was 0.46 (0.22 to 0.95). The hazard ratio was derived as the ratio of the hazard of death for the intervention group to the hazard of death for the placebo group across the study period. To derive the hazard of death for a treatment group, the study period was conceptually divided into very short time intervals.