No. of subjects

Sagittal Ra

Coronal Ra

Total Ra

Low flow group (≤0.1 ml/min)

53 (52.5%)

51.0 ± 17.3

60.1 ± 18.8

55.6 ± 16.9

Normal flow group (>0.1 ml/min)

48 (45.5%)

54.2 ± 17.3

63.8 ± 17.5

59.0 ± 14.9