Research Article
Stress Oximetry: Description of a Test to Determine Readiness for Discontinuing Oxygen Therapy in Infants with Chronic Lung Disease
Table 1
Patient Characteristics of infants undergoing StressOx test.
| | | Mean (SD) | Range |
| | Gestational age at birth (wks.) | 28.1 (3.5) | 22 - 41 | | Birth Weight (gm) | 1200 (710) | 435 - 4458 | | Age at 1st test (days) | 60 (23) | 15 - 169 | | Postmenstrual age at test (wks.) | 36.8 (2.3) | 34.0 - 50.1 | | Number of tests per patient | 3.3 (1.8) | 1 - 9 | | Age at last test (days) | 78 (30) | 15 - 225 | | Postmenstrual age at last test (wks.) | 39.2 (2.8) | 34.0 - 55.1 | | Nasal cannula O2 flow at last test (L/min) | 1 (0.5) | 0.25 - 3.0 | | FiO2 at last test | 0.52 (0.27) | 0.21 - 1.0 | | pCO2 at last test | 48.2 (5.6) | 32.6 - 66.5 | | Weight at last test (gm) | 2111 (545) | 1190 - 4720 |
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Above data are based on 279 patients and 899 tests from years 2002 to 2008.
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