How Should the Therapist Interpret a Lecithin-To-Sphingomyelin (L:S) Ratio of 2:1

question 1

Multiple Choice

How should the therapist interpret a lecithin-to-sphingomyelin (L:S) ratio of 2:1?

• A) The presence of lung maturity
• B) A gestational age of less than 28 weeks
• C) The likelihood of RDS
• D) Laboratory error

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Definitions:

Test Statistic

A numerical value calculated from sample data during a hypothesis test, used to assess the strength of evidence against the null hypothesis.

Population Proportions

The fraction or percentage of the population that possesses a particular property.

Sample Size

The number of observations or dataset elements selected from a population used in statistical analysis, crucial for determining the reliability of the study findings.

Two-Tail Test

A statistical hypothesis test in which the critical area of a distribution is two-sided and tests whether a sample is either greater than or less than a certain range of values.