Stress Oximetry: Description of a Test to Determine Readiness for Discontinuing Oxygen Therapy in Infants with Chronic Lung Disease

Table 2

Ability of StressOx test to determine need for oxygen inhalation therapy (O₂IT).

		Able to come out of O2IT and thrive as indicated by extended inpatient monitoring
		Yes; N= 241	No; N = 38
StressOx Test	Passed (N =240)	239	1
	Failed (N = 39)	2	37

Total 279 patients studied. Two infants who failed StressOx and yet were able to come out of O₂IT had no respiratory compromise during the test but failed due to choking episodes during the feed resulting in inability to complete the required amount of feed.
Sensitivity: 239/ (239+2) = 99.2%.
Specificity: 37/ (37+1) = 97.4%.
Positive predictive value: 239/ (239 + 1) = 99.6%.
Negative predictive value: 37/ (37+2) = 94.9%.