Characteristics of the three groups of preterm infants at time of EEG recordings
| PCA (weeks) | No of EEGs | Recording age (day) | Systolic BP (mm Hg) | Diastolic BP (mm Hg) | pH | BE (mmol/l) | Spo 2(%) |
| 21–22 | 5 | 1.0 (0–3) | 37.2 (24–52) | 22.2 (15–39) | 7.41 (7.35–7.46) | −4.5 (−10.2–−1.1) | 96.2 (95–97) |
| 23–24 | 7 | 2.4 (0–9) | 49.0 (45–57) | 29.3 (23–36) | 7.38 (7.34–7.45) | −2.0 (−3.0–0.7) | 96.0 (90–100) |
| 25–26 | 6 | 2.0 (0–8) | 53.2 (41–62) | 33.0 (24–44) | 7.38 (7.35–7.41) | −2.5 (−6.4–0.7) | 97.7 (97–100) |
| Total | 18 | 1.9 (0–9) | 47.1 (24–62) | 28.6 (15–44) | 7.39 (7.34–7.46) | −2.9 (−10.2–0.7) | 96.6 (90–100) |
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Values are means (range).
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PCA, Postconceptional age; BP, blood pressure; BE, base excess.









