ICA flow difference (ml/min) 65.9 ± 51.6 51.0 ± 38.8 124.6 ± 73.2 76.9 ± 45.8 76.2 ± 62.2 54.6 ± 42.0 < 0.0001 65.1 ± 47.3 64.0 ± 54.2 72.9 ± 53.4 65.6 ± 51.5 0.943