Explain sampling methodology in CDI chart reviews and its implications for metrics.

Explain sampling methodology in CDI chart reviews and its implications for metrics.

• A. Random or targeted sampling estimates metrics; balance representativeness with workload; consider bias and confidence intervals.
• B. Only full chart reviews yield valid metrics.
• C. Sampling should be based purely on clinician preference.
• D. Sampling has no impact on metric reliability.

Answer: (A)