Table 2. Probability of maintaining functional capacity by the actuarial method (incident cases of functional decline in institutionalized older adults in Natal/RN).
Interval (months) | Initially exposed | Functional decline cases | Number of observation losses | Exposed to functional decline | Conditional probability of functional decline | Conditional probability of maintaining functional capacity | Cumulative probability of maintaining functional capacity |
---|---|---|---|---|---|---|---|
0├ 6 | 280 | 59 | 18 | 271 | 0.2177 | 0.7823 | 0.7823 |
6├ 12 | 203 | 33 | 14 | 196 | 0.1683 | 0.8317 | 0.6506 |
12├ 18 | 156 | 27 | 7 | 152.5 | 0.1770 | 0.8230 | 0.5354 |
18├ 24 | 122 | 21 | 8 | 118 | 0.1779 | 0.8221 | 0.4401 |