Table 1.
Subject characteristics.
| ≥80 to ≤89 y (n = 78) |
≥98 y (n = 220) |
P value* | Community dwelling (n = 150) | Institutionalized (n = 148) | P value* | Total (n = 298) |
|
|---|---|---|---|---|---|---|---|
| Age, yrs (mean ± SD) | 84.2 ± 2.7 | 100.4 ± 1.9 | 93.3 ± 8.3 | 99.7 ± 4.6 | <0.0001 | 96.6 ± 7.4 | |
| Male : female | 27 : 51 | 36 : 184 | 0.0007 | 40 : 110 | 23 : 125 | 0.0187 | 63 : 235 |
| Community dwelling (n) : institutionalized (n) | 66 : 12 | 84 : 136 | <0.0001 | — | — | 150 : 148 | |
| Education, yrs (mean ± SD) | 13.0 ± 3.5 | 10.6 ± 3.8 | <0.0001 | 12.1 ± 3.7 | 10.3 ± 3.7 | <0.0001 | 11.2 ± 3.8 |
| Body mass index (kg/m2) (mean ± SD) | 25.5 ± 4.8 | 22.6 ± 4.7 | <0.0001 | 24.2 ± 4.7 | 22.5 ± 4.8 | 0.0059 | 23.3 ± 4.8 |
| Smoking (n) | <0.0001 | 0.035 | |||||
| None | 33 | 156 | 88 | 101 | 189 | ||
| Ex-smoker | 40 | 54 | 53 | 41 | 94 | ||
| Current | 5 | 7 | 9 | 3 | 12 | ||
| No information | 0 | 3 | 0 | 3 | 3 | ||
| Alcohol use (n) | <0.0001 | <0.0001 | |||||
| None | 22 | 134 | 67 | 89 | 156 | ||
| Ex-drinker | 27 | 45 | 32 | 40 | 72 | ||
| Current | 29 | 39 | 51 | 17 | 68 | ||
| No information | 0 | 2 | 0 | 2 | 2 | ||
| Hypertension (n) | 0.394 | 0.306 | |||||
| Yes | 32 | 108 | 66 | 74 | 140 | ||
| No | 45 | 109 | 83 | 71 | 154 | ||
| No information | 1 | 3 | 1 | 3 | 4 |
*Significant difference between groups. Means were compared using Student's t-test. Fisher's exact test was applied for categorical variables.