Which parameter should be analyzed for low nocturnal oxygen levels in patients?

The correct parameter to analyze for low nocturnal oxygen levels in patients is oxygen saturation. Monitoring oxygen saturation levels, typically measured using a pulse oximeter, provides critical information about how effectively oxygen is being transported in the bloodstream during sleep. Low nocturnal oxygen saturation can indicate hypoxemia, which may occur due to various conditions such as sleep apnea or other respiratory disorders.

In the context of sleep studies, understanding oxygen saturation levels can help in diagnosing conditions that lead to decreases in blood oxygen levels during sleep. This information is crucial for evaluating the severity of a sleep-related breathing disorder and determining the appropriate therapeutic interventions.

Analyzing oxygen saturation allows healthcare providers to identify patterns and episodes of desaturation, facilitating better management of affected patients.