Table 1.
SARS CoV 2 seroprevalence, lethality and mortality indicators by age group. Department of Cordoba, Colombia. September 2020.
| Age range (years) | Sampled subjects | Prevalence n (%) | Adjusted prevalence | Population 2020b | Expected infectionsa | Deaths | % IFR (95% CI) | Confirmed cases Covid-19 | % CFR (95% CI) | Mortality rate per 105 (95% CI) |
|---|---|---|---|---|---|---|---|---|---|---|
| 10–14 | 45 | 25 (55.6) | 58 | 161,194 | 93,492 | 1 | 0.001 (0.0003–0.005) | 877 | 0.1 (0.006–0.6) | 0.6 (0.03–3.0) |
| 15–19 | 100 | 47 (47) | 48 | 159,081 | 76,358 | 4 | 0.005 (0.002–0.01) | 1,280 | 0.3 (0.1–0.7) | 2.5 (0.8–6.0) |
| 20–29 | 424 | 174 (41) | 41 | 293,018 | 120,137 | 20 | 0.016 (0.009–0.02) | 5,201 | 0.4 (0.2–0.6) | 6.8 (4.3–10.4) |
| 30–39 | 523 | 205 (39.2) | 39 | 249,540 | 97,320 | 52 | 0.05 (0.04–0.07) | 6,095 | 0.8 (0.6–1.1) | 21.0 (15.7–27.0) |
| 40–49 | 463 | 202 (43.6) | 44 | 217,116 | 95,531 | 110 | 0.11 (0.09–0.14) | 4,712 | 2.3 (1.9–2.8) | 50.7 (42.0–61.0) |
| 50–59 | 428 | 152 (35.5) | 35 | 186,518 | 65,281 | 210 | 0.32 (0.28–0.37) | 4,203 | 5.0 (4.4–5.7) | 113.0 (98.4–129.0) |
| 60–69 | 297 | 131 (44.1) | 44 | 125,614 | 55,270 | 356 | 0.64 (0.58–0.71) | 3,141 | 11.3 (10.3–12.5) | 285.0 (256.4–315.6) |
| ≥70 | 164 | 60 (36.6) | 36 | 162,707 | 58,574 | 865 | 1.5 (1.4–1.6) | 3,259 | 26.5 (25.0–28.0) | 530.7 (496.2–567.0) |
| Total | 2444 | 996 (40.8) | 1,554,788 | 661,963 | 1,618 | 0.24 (0.23–0.25) | 28,768 | 5.6 (5.3–5.9) | 104.0 (100.0–109.0) |
Bold value signify <0.005.
a
Expected infections = (seropositivity*population 2020)/100.
b
Population under 10 years old was excluded from the serological survey and consequently from these estimates.