Age (years)

No. of subjects

Sagittal Ra

Coronal Ra

Total Ra

61 - 69

22 (20.8%)

51.1 ± 15.0

61.6 ± 18.2

56.4 ± 14.2

70 - 79

35 (33.0%)

51.3 ± 18.3

62.1 ± 17.9

56.7 ± 17.0

80 - 89

36 (34.0%)

54.0 ± 16.8

64.1 ± 16.8

59.1 ± 15.3

90 - 99

13 (12.2%)

51.7 ± 17.1

55.8 ± 21.6

53.8 ± 18.0