Skip to main content

Table 1 Distribution according to gender and different age ranks of interviewed and lost sample population.

From: Prevalence of cognitive impairment in individuals aged over 65 in an urban area: DERIVA study

  Female (N = 302) Male (N = 178) Total (N = 480)
Age (years) Interviewed Lost Interviewed Lost Interviewed Lost
Mean (SD) 76.64 (7.64) 77.52(7.08) 75.81 (6.73) 76.61 (7.65) 76.35 (7.33) 77.15 (7.80)
65-69 (%) 21.3 17.6 20.74 19.4 21.1 18.3
70-74 (%) 21.8 20.9 22.4 25.8 22.0 22.9
75-79 (%) 20.4 25.3 27.6 21.0 22.9 23.5
80-84 (%) 19.5 17.6 19.0 14.5 19.3 16.3
≥ 85 (%) 17.1 17.1 10.3 19.3 14.7 19.0
Total: N (%) 211 (64.5%) 91 (59.5%) 116 (35.5%) 62 (40.5%) 327 (100%) 153 (100%)