Table 1
Pair-wise comparisons of the functional improvement in the three age groups
Comparison
Mean difference
95% CI of difference
Equivalent?
Lower bound
Upper bound
Middle-aged vs old
0.27
−1.70
2.26
Yes
Middle-aged vs very old
1.18
−1.13
3.50
Yes
Old vs very olds
0.90
−0.87
2.68
Yes