Calculators

Common tools

Selected calculator

Time Below Oxygen Threshold

Minutes and percentage of valid oximetry time meeting an explicitly selected oxygen threshold.

Oxygen threshold(%)Comparison operatorRequired — enter a known zero explicitly where applicable.

Minutes meeting threshold(minutes)Required — enter a known zero explicitly where applicable.

Analysis window

Valid oximetry time(minutes)Required — enter a known zero explicitly where applicable.

Total analysis-window time(minutes)Required — enter a known zero explicitly where applicable.

Result

Complete or correct the marked inputs to calculate. Blank values are not zero.

Percentage = threshold minutes × 100 / valid oximetry minutes

Full precision is used internally. Only displayed results are rounded, normally to one decimal place.

For training use. Follow your lab’s scoring rules and physician interpretation. Calculations use already-scored measurements, stay on this device, and do not diagnose or recommend treatment. Do not enter patient identifiers.