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 ...

Abstract: Noncontact prediction of peripheral oxygen saturation (SpO2) is necessary for monitoring vital signs of patients afflicted by infectious disease or sensitive to skin irritation. Recently, ...

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 ...

Debt ratio shows a company's ability to handle debt and invest wisely. Trend in a company's debt ratio indicates its ongoing fiscal health and investment quality. Different industries justify varying ...

When you're applying for a loan, whether it's auto financing or a mortgage, the numbers matter. One important figure to understand is your loan-to-value ratio, often abbreviated as LTV. This is the ...

We have the story of an economic indicator that is causing concern. So of course, we turn to our colleagues at the Indicator from NPR's Planet Money. Here's Paddy Hirsch and Darian Woods. (SOUNDBITE ...

Forbes contributors publish independent expert analyses and insights. Host of the Retire Sooner podcast and CFP™ practitioner. The IRS might describe it as landing in the top tax bracket—paying a 37% ...

There’s no universal safe or danger level. Ideal current ratios vary by industry. A current ratio of 1.0 means the company has $1 in current assets for every $1 in current liabilities. A ratio below 1 ...

Describes the nature of a clinical study. Types include: Observational study — observes people and measures outcomes without affecting results. Interventional study (clinical trial) — studies new ...

A debt-to-equity ratio is a number calculated by dividing a company's total debt by the value of its shareholders' equity. A debt-to-equity ratio is one data point used by investors and lenders to ...