Table 4.
Death, interventions, and physiological variables during intervention period of first 72 hours of life. Values are numbers (percentages) unless stated otherwise
| Variables | NIRS (n=86) | Blinded NIRS (control) (n=80) |
|---|---|---|
| Deaths | 3 (3.5) | 6 (7.5) |
| Respiratory: | ||
| Surfactant administered | 64 (74.4) | 63 (78.8) |
| Mechanical ventilation | 57 (66.3) | 54 (67.5) |
| Mean (SD) postnatal age at onset (hours) | 3.5 (9.8) | 3.4 (8.7) |
| Mean (SD) duration (hours) | 52.2 (24.9) | 53.0 (25.2) |
| Circulatory: | ||
| Echocardiography performed | 53 (61.6) | 38 (47.5) |
| Haemodynamic significant patent ductus arteriosus | 19 (22.1) | 9 (11.3) |
| Patent ductus arteriosus treated | 16 (18.6) | 5 (6.3) |
| Use of vasopressors/inotropes | 20 (23.3) | 19 (23.8) |
| Mean (SD) fluid boluses | 0.6 (1.2) | 0.9 (1.9) |
| Any red blood cell transfusion | 24 (27.9) | 27 (33.8) |
| Corticosteroids | 2 (2.3) | 6 (7.5) |
| Mean (SD) No of blood samples | 11.1 (8.0) | 11.5 (8.9) |
| Physiological variables*: | ||
| Mean (SD) fractional inspired oxygen (%) | 26.6 (4.2) | 25.4 (3.8) |
| Mean (SD) peripheral capillary oxygen saturation (%) | 93.6 (12.5) | 93.6 (9.1) |
| Mean (SD) mean airway pressure (cm H2O) | 7.9 (4.1) | 7.5 (3.3) |
| Mean (SD) heart rate (beats/min) | 155.4 (14.6) | 152.8 (14.3) |
| Mean (SD) mean arterial blood pressure (mm Hg) | 35.9 (8.4) | 35.6 (7.1) |
NIRS=near infrared spectroscopy oximetry.
*Recorded six hourly. Data were entered at1348 time points. Missing data were due to technical issues or death of child before 72 hours of life.