PaO2/FiO2（PF）比值被广泛用于评估重症患者的呼吸衰竭情况，以指导通气策略和预后判断。然而，由于该指标需要侵入性动脉 ...

急性呼吸窘迫综合征（ARDS）患者动脉血氧分压/吸入氧浓度比值（PaO?/FiO?）及柏林评分对越南地区住院预后的预测能力有限 ...

The market cap to sales ratio shows how much investors pay in share price for each unit of sales a stock generates. A lower ratio may indicate an undervalued stock, while a higher ratio suggests ...

Before approving you for new credit, lenders will likely first look at your credit report, your credit score and something called your debt-to-income ratio — commonly referred to as DTI. While all ...

As an ecommerce business owner, you know the delicate balance involved in keeping just the right amount of inventory in stock. Too much, and your products languish in back rooms and warehouses, eating ...

Recent data shows homes sold for 99.4% of asking price, indicating strong buyer leverage. The sale-to-list ratio, calculated by dividing selling price by asking price, gauges negotiation power. A ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

The pulse-oximetric peripheral oxygen saturation to a fraction of inspired oxygen (SpO 2 /FiO 2) ratio has been suggested as an additional hypoxemia criterion in the new global acute respiratory ...

One major factor lenders consider when reviewing your mortgage application is your debt-to-income ratio (DTI). Essentially, how much of your paycheck goes toward paying down debts. A lower DTI tells ...

The overhead ratio measures how much of a company's total revenue is spent on indirect costs. This metric is useful for identifying areas where costs can be reduced to improve profitability. Analyzing ...

If you go to the doctor for a health check, they’ll probably weigh and measure you. From these results, they can then calculate something called your Body Mass Index, or BMI for short. BMI is used to ...