Table 1:
Baseline maternal and infant characteristics
| Infants in hospitals with SpO2 alarm policy change (n=3809) | Infants in hospitals with no SpO2 alarm policy change (n=3685) | |||||
|---|---|---|---|---|---|---|
| Characteristic | Epoch 1 n=1981 | Epoch 2 n=1828 | P value | Epoch 1 n=1620 | Epoch 2 n=2065 | P-value |
| Antenatal Steroids | 1599/1977 (80.9%) | 1676/1826 (91.8%) | <0.001 | 1387/1605 (86.4%) | 1892/2063 (91.7%) | <0.001 |
| Race | 0.002 | 0.13 | ||||
| Black | 816/1949 (41.9%) | 816/1756 (46.5%) | 724/1598 (45.3%) | 867/2053 (42.2%) | ||
| White | 1046/1949 (53.7%) | 830/1756 (47.3%) | 746/1598 (46.7%) | 1043/2053 (50.8%) | ||
| Other | 87/1949 (4.5%) | 110/1756 (6.3%) | 128/1598 (8.0%) | 143/2053 (7.0%) | ||
| Hispanic | 424/1959 (21.6%) | 276/1823 (15.1%) | <0.001 | 195/1464 (13.3%) | 266/2035 (13.1%) | 0.83 |
| Multiple gestation | 451/1981 (22.8%) | 442/1828 (24.2%) | 0.30 | 445/1620 (27.5%) | 576/2065 (27.9%) | 0.78 |
| Gestational age, weeks; mean (SD) | 26.7 (2.1) | 26.2 (2.0) | <0.001 | 26.8 (2.0) | 26.3 (1.9) | <0.001 |
| Birth weight, grams; mean (SD) | 891 (245) | 840 (237) | <0.001 | 906 (240) | 870 (233) | <0.001 |
| Male sex | 995/1981 (50.2%) | 944/1828 (51.6%) | 0.38 | 811/1620 (50.1%) | 1064/2065 (51.5%) | 0.38 |
| SGA | 337/1981 (17.0%) | 294/1828 (16.1%) | 0.44 | 246/1620 (15.2%) | 282/2065 (13.7%) | 0.19 |
| Delivery room intubation | 1158/1981 (58.5%) | 1040/1827 (56.9%) | 0.34 | 997/1620 (61.5%) | 1286/2065 (62.3%) | 0.65 |
| Admission temperature, °F; mean (SD) | 97.5 (1.6) | 97.7 (1.3) | <0.001 | 96.9 (1.9) | 97.6 (1.6) | <0.001 |
Abbreviations: F: Fahrenheit; SD: standard deviation; SGA: small for gestational age; SpO2: oxygen saturation