Parameter

Time Period

RLAI N = 235

OA N = 70

Retrospective

Prospective

P-Value

Retrospective

Prospective

P-Value

Number of subjects with at least one hospitalization per period, n (%)

0 - 3 months

117 (49.8)

79 (33.6)

<0.001

18 (25.7)

28 (40.0)

0.064

0 - 6 months

127 (54.0)

84 (35.7)

<0.001

20 (28.6)

29 (41.4)

0.093

0 - 12 months

140 (59.6)

90 (38.3)

<0.001

26 (37.1)

30 (42.9)

0.56

0 - 18 months

150 (63.8)

91 (38.7)

<0.001

32 (45.7)

31 (44.3)

1.00

0 - 24 months

160 (68.1)

92 (39.1)

<0.001

39 (55.7)

31 (44.3)

0.17

3 - 24 months

107 (45.5)

30 (12.8)

<0.001

29 (41.4)

6 (8.6)

<0.001

Number of hospital stays per period, mean (SD)

0 - 3 months

0.56 (0.61)

0.38 (0.57)

<0.001

0.31 (0.65)

0.40 (0.49)

0.20

0 - 6 months

0.68 (0.74)

0.43 (0.65)

<0.001

0.39 (0.79)

0.44 (0.56)

0.32

0 - 12 months

0.90 (0.97)

0.49 (0.74)

<0.001

0.54 (0.88)

0.46 (0.56)

0.55

0 - 18 months

1.12 (1.16)

0.51 (0.76)

<0.001

0.77 (1.21)

0.47 (0.56)

0.031

0 - 24 months

1.29 (1.27)

0.54 (0.81)

<0.001

1.00 (1.32)

0.47 (0.56)

<0.001

3 - 24 months

0.78 (1.08)

0.19 (0.55)

<0.001

0.71 (1.11)

0.10 (0.35)

<0.001