Table 1 Patient characteristics, right common carotid artery (CCA) flow index, left ventricular output (LVO) index, and proportion of LVO to CCA flow.
| Preterm (n = 42) | Term (n = 21) | |||||
|---|---|---|---|---|---|---|
| Mean (95% CI) | SD | Range | Mean (95% CI) | SD | Range | |
| Gestation (weeks) | 33.2 | 2.9 | 28–40 | 40 | 1.2 | 38–42 |
| Weight (kg) | 1.45 | 0.46 | 0.68–3.25 | 3.3 | 0.42 | 2.6–4.1 |
| Right CCA flow index (ml/kg/min) | 20.0 (18.5 to 21.5) | 4.9 | 12.6–30.3 | 17.7 (15.6 to 19.8) | 4.9 | 9.2–28.9 |
| CBFe (ml/min/100 g brain weight) | 24.6 (22.4 to 26.9) | 7.3 | 13.5–43.9 | 23.0 (20.4 to 25.7) | 6.3 | 12.9–35.9 |
| LVO index (ml/kg/min) | 196 (184 to 208) | 40.6 | 121–284 | 164 (150 to 177) | 31 | 112–230 |
| % of LVO to right CCA flow | 10.6 (9.6 to 11.5) | 3.1 | 5.1–18.7 | 10.9 (9.9 to 11.8) | 2.2 | 6.2–15.3 |
CBFe, Estimated cerebral blood flow.