Table 2.
Frequencies and incidence rates of central retinal artery occlusion in the Korean population from 2011 to 2020
| Age group (years) | Korean populationa | Total incidents | Incidents among male | Incidents among female | Male to female ratio | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Total residents | Male | Female | No. | Incidence rate (95% CI)b | No. | Incidence rate (95% CI)b | No. | Incidence rate (95% CI)b | ||
| 0–4 | 2235397 | 1147126 | 1088271 | 4 | 0.02 (0 to 0.05) | 2 | 0.02 (0 to 0.06) | 2 | 0.02 (0 to 0.07) | 0.944 |
| 5–9 | 2252950 | 1162087 | 1090863 | 4 | 0.02 (0 to 0.04) | 4 | 0.03 (0.01 to 0.09) | 0 | 0 (0 to 0.03) | NA |
| 10–14 | 2418360 | 1257902 | 1160458 | 12 | 0.05 (0.03 to 0.09) | 7 | 0.06 (0.02 to 0.12) | 5 | 0.04 (0.01 to 0.1) | 1.302 |
| 15–19 | 3170545 | 1657722 | 1512823 | 39 | 0.12 (0.09 to 0.17) | 24 | 0.14 (0.09 to 0.22) | 15 | 0.1 (0.06 to 0.16) | 1.465 |
| 20–24 | 3385936 | 1808857 | 1577079 | 56 | 0.16 (0.12 to 0.22) | 23 | 0.13 (0.08 to 0.19) | 33 | 0.21 (0.14 to 0.29) | 0.608 |
| 25–29 | 3027896 | 1581887 | 1446009 | 99 | 0.33 (0.27 to 0.4) | 48 | 0.3 (0.22 to 0.4) | 51 | 0.35 (0.26 to 0.46) | 0.858 |
| 30–34 | 3611034 | 1854905 | 1756129 | 133 | 0.37 (0.31 to 0.44) | 76 | 0.41 (0.32 to 0.51) | 57 | 0.32 (0.25 to 0.42) | 1.262 |
| 35–39 | 3783589 | 1927388 | 1856201 | 181 | 0.48 (0.41 to 0.55) | 111 | 0.58 (0.47 to 0.69) | 70 | 0.38 (0.29 to 0.48) | 1.528 |
| 40–44 | 4215921 | 2142101 | 2073820 | 313 | 0.74 (0.66 to 0.83) | 182 | 0.85 (0.73 to 0.98) | 131 | 0.63 (0.53 to 0.75) | 1.345 |
| 45–49 | 4266941 | 2151070 | 2115871 | 445 | 1.04 (0.95 to 1.15) | 272 | 1.26 (1.12 to 1.42) | 173 | 0.82 (0.7 to 0.95) | 1.546 |
| 50–54 | 4145976 | 2094318 | 2051658 | 704 | 1.7 (1.57 to 1.83) | 438 | 2.09 (1.9 to 2.3) | 266 | 1.3 (1.15 to 1.46) | 1.613 |
| 55–59 | 3863095 | 1922796 | 1940299 | 1010 | 2.62 (2.46 to 2.78) | 696 | 3.62 (3.36 to 3.9) | 314 | 1.62 (1.44 to 1.81) | 2.237 |
| 60–64 | 2758941 | 1348273 | 1410668 | 1178 | 4.27 (4.03 to 4.52) | 815 | 6.05 (5.64 to 6.48) | 363 | 2.57 (2.32 to 2.85) | 2.349 |
| 65–69 | 2117875 | 1015463 | 1102412 | 1459 | 6.89 (6.54 to 7.25) | 965 | 9.51 (8.92 to 10.13) | 494 | 4.48 (4.1 to 4.89) | 2.121 |
| 70–74 | 1760932 | 789607 | 971325 | 1666 | 9.46 (9.02 to 9.93) | 1022 | 12.95 (12.17 to 13.77) | 644 | 6.63 (6.13 to 7.16) | 1.953 |
| 75–79 | 1356014 | 550684 | 805330 | 1614 | 11.91 (11.34 to 12.51) | 896 | 16.28 (15.23 to 17.39) | 718 | 8.92 (8.28 to 9.6) | 1.825 |
| 80–84 | 810891 | 275462 | 535429 | 1003 | 12.38 (11.62 to 13.17) | 517 | 18.78 (17.2 to 20.47) | 486 | 9.08 (8.29 to 9.93) | 2.068 |
| 85–89 | 371527 | 98367 | 273160 | 421 | 11.34 (10.28 to 12.47) | 183 | 18.62 (16.02 to 21.52) | 238 | 8.72 (7.64 to 9.9) | 2.135 |
| 90–94 | 124111 | 28565 | 95546 | 100 | 8.06 (6.56 to 9.8) | 43 | 15.06 (10.9 to 20.29) | 57 | 5.97 (4.52 to 7.73) | 2.524 |
| ≥ 95 | 27732 | 5259 | 22473 | 10 | 3.61 (1.73 to 6.63) | 5 | 9.51 (3.09 to 22.19) | 5 | 2.22 (0.72 to 5.19) | 4.274 |
| Total | 49705663 | 24819839 | 24885824 | 10451 | 2.1 (2.06 to 2.14) | 6329 | 2.55 (2.49 to 2.61) | 4122 | 1.66 (1.61 to 1.71) | 1.540 |
No. number, CI confidence interval, NA not applicable
aKorean population was based on the 2015 census data from the Korean Statistical Information Service
bIncidence rate was measured as cases per 100,000 person-years