Introduction
Methods
Ethical statement
HIRA and database
Identification of patients with incident retinal vascular occlusions
Statistical analysis
Results
Retinal vascular occlusion (H34)
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 | 144 | 0.64 (0.54 to 0.76) | 75 | 0.65 (0.51 to 0.82) | 69 | 0.63 (0.49 to 0.8) | 1.032 |
5–9 | 2252950 | 1162087 | 1090863 | 198 | 0.88 (0.76 to 1.01) | 93 | 0.8 (0.65 to 0.98) | 105 | 0.96 (0.79 to 1.17) | 0.831 |
10–14 | 2418360 | 1257902 | 1160458 | 390 | 1.61 (1.46 to 1.78) | 224 | 1.78 (1.55 to 2.03) | 166 | 1.43 (1.22 to 1.67) | 1.245 |
15–19 | 3170545 | 1657722 | 1512823 | 1139 | 3.59 (3.39 to 3.81) | 630 | 3.8 (3.51 to 4.11) | 509 | 3.37 (3.08 to 3.67) | 1.130 |
20–24 | 3385936 | 1808857 | 1577079 | 1692 | 5 (4.76 to 5.24) | 875 | 4.84 (4.52 to 5.17) | 817 | 5.18 (4.83 to 5.55) | 0.934 |
25–29 | 3027896 | 1581887 | 1446009 | 2416 | 7.98 (7.67 to 8.31) | 1278 | 8.08 (7.64 to 8.54) | 1138 | 7.87 (7.42 to 8.34) | 1.027 |
30–34 | 3611034 | 1854905 | 1756129 | 3977 | 11.02 (10.68 to 11.37) | 2291 | 12.36 (11.86 to 12.88) | 1686 | 9.61 (9.15 to 10.07) | 1.287 |
35–39 | 3783589 | 1927388 | 1856201 | 7549 | 19.97 (19.52 to 20.43) | 4491 | 23.33 (22.65 to 24.02) | 3058 | 16.49 (15.91 to 17.08) | 1.415 |
40–44 | 4215921 | 2142101 | 2073820 | 13751 | 32.67 (32.13 to 33.22) | 8067 | 37.73 (36.91 to 38.56) | 5684 | 27.45 (26.74 to 28.17) | 1.375 |
45–49 | 4266941 | 2151070 | 2115871 | 22328 | 52.47 (51.78 to 53.16) | 12421 | 57.91 (56.9 to 58.94) | 9907 | 46.94 (46.02 to 47.87) | 1.234 |
50–54 | 4145976 | 2094318 | 2051658 | 33660 | 81.53 (80.66 to 82.4) | 17230 | 82.62 (81.39 to 83.86) | 16430 | 80.42 (79.19 to 81.66) | 1.027 |
55–59 | 3863095 | 1922796 | 1940299 | 44725 | 116.44 (115.36 to 117.52) | 21973 | 114.91 (113.4 to 116.44) | 22752 | 117.95 (116.42 to 119.49) | 0.974 |
60–64 | 2758941 | 1348273 | 1410668 | 48232 | 176.3 (174.73 to 177.88) | 22862 | 170.95 (168.74 to 173.18) | 25370 | 181.42 (179.19 to 183.66) | 0.942 |
65–69 | 2117875 | 1015463 | 1102412 | 48461 | 231.47 (229.41 to 233.54) | 22371 | 222.74 (219.83 to 225.68) | 26090 | 239.51 (236.62 to 242.44) | 0.930 |
70–74 | 1760932 | 789607 | 971325 | 47641 | 274.35 (271.89 to 276.82) | 20185 | 258.9 (255.34 to 262.49) | 27456 | 286.94 (283.55 to 290.35) | 0.902 |
75–79 | 1356014 | 550684 | 805330 | 39617 | 296.32 (293.41 to 299.25) | 15116 | 278.06 (273.65 to 282.53) | 24501 | 308.83 (304.98 to 312.72) | 0.900 |
80–84 | 810891 | 275462 | 535429 | 22553 | 281.69 (278.02 to 285.39) | 8082 | 297.23 (290.78 to 303.78) | 14471 | 273.7 (269.26 to 278.2) | 1.086 |
85–89 | 371527 | 98367 | 273160 | 8300 | 225.58 (220.76 to 230.49) | 2771 | 285.08 (274.56 to 295.89) | 5529 | 204.23 (198.88 to 209.68) | 1.396 |
90–94 | 124111 | 28565 | 95546 | 1737 | 140.81 (134.26 to 147.59) | 546 | 192.76 (176.93 to 209.63) | 1191 | 125.32 (118.31 to 132.65) | 1.538 |
≥ 95 | 27732 | 5259 | 22473 | 265 | 95.94 (84.74 to 108.22) | 92 | 176.11 (141.97 to 215.99) | 173 | 77.25 (66.16 to 89.65) | 2.280 |
Total | 49705663 | 24819839 | 24885824 | 348775 | 70.41 (70.18 to 70.65) | 161673 | 65.35 (65.03 to 65.67) | 187102 | 75.47 (75.13 to 75.81) | 0.866 |
CRAO (H34.1)
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 |
RVO (H34.8)
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 | 56 | 0.25 (0.19 to 0.32) | 27 | 0.23 (0.16 to 0.34) | 29 | 0.27 (0.18 to 0.38) | 0.883 |
5–9 | 2252950 | 1162087 | 1090863 | 91 | 0.4 (0.32 to 0.5) | 38 | 0.33 (0.23 to 0.45) | 53 | 0.49 (0.36 to 0.64) | 0.673 |
10–14 | 2418360 | 1257902 | 1160458 | 196 | 0.81 (0.7 to 0.93) | 108 | 0.86 (0.7 to 1.04) | 88 | 0.76 (0.61 to 0.93) | 1.133 |
15–19 | 3170545 | 1657722 | 1512823 | 580 | 1.83 (1.68 to 1.99) | 315 | 1.9 (1.7 to 2.12) | 265 | 1.75 (1.55 to 1.98) | 1.084 |
20–24 | 3385936 | 1808857 | 1577079 | 919 | 2.71 (2.54 to 2.9) | 478 | 2.64 (2.41 to 2.89) | 441 | 2.8 (2.54 to 3.07) | 0.945 |
25–29 | 3027896 | 1581887 | 1446009 | 1383 | 4.57 (4.33 to 4.82) | 773 | 4.89 (4.55 to 5.24) | 610 | 4.22 (3.89 to 4.57) | 1.159 |
30–34 | 3611034 | 1854905 | 1756129 | 2428 | 6.73 (6.46 to 7) | 1457 | 7.86 (7.46 to 8.27) | 971 | 5.53 (5.19 to 5.89) | 1.421 |
35–39 | 3783589 | 1927388 | 1856201 | 4920 | 13.01 (12.65 to 13.38) | 3075 | 15.97 (15.41 to 16.54) | 1845 | 9.94 (9.5 to 10.41) | 1.605 |
40–44 | 4215921 | 2142101 | 2073820 | 9236 | 21.93 (21.49 to 22.38) | 5655 | 26.43 (25.75 to 27.13) | 3581 | 17.28 (16.72 to 17.86) | 1.530 |
45–49 | 4266941 | 2151070 | 2115871 | 15737 | 36.95 (36.38 to 37.53) | 8858 | 41.26 (40.41 to 42.13) | 6879 | 32.56 (31.8 to 33.34) | 1.267 |
50–54 | 4145976 | 2094318 | 2051658 | 24582 | 59.47 (58.73 to 60.22) | 12609 | 60.39 (59.34 to 61.45) | 11973 | 58.54 (57.49 to 59.6) | 1.032 |
55–59 | 3863095 | 1922796 | 1940299 | 32919 | 85.57 (84.65 to 86.5) | 16093 | 84.04 (82.74 to 85.34) | 16826 | 87.1 (85.78 to 88.42) | 0.965 |
60–64 | 2758941 | 1348273 | 1410668 | 35404 | 129.13 (127.79 to 130.48) | 16424 | 122.53 (120.67 to 124.42) | 18980 | 135.44 (133.52 to 137.38) | 0.905 |
65–69 | 2117875 | 1015463 | 1102412 | 35544 | 169.26 (167.51 to 171.03) | 15788 | 156.69 (154.26 to 159.16) | 19756 | 180.86 (178.34 to 183.4) | 0.866 |
70–74 | 1760932 | 789607 | 971325 | 35212 | 202.06 (199.95 to 204.18) | 14098 | 180.15 (177.19 to 183.15) | 21114 | 219.91 (216.95 to 222.9) | 0.819 |
75–79 | 1356014 | 550684 | 805330 | 29464 | 219.6 (217.1 to 222.12) | 10755 | 197.11 (193.41 to 200.88) | 18709 | 235 (231.65 to 238.4) | 0.839 |
80–84 | 810891 | 275462 | 535429 | 16672 | 207.55 (204.41 to 210.73) | 5757 | 210.92 (205.51 to 216.44) | 10915 | 205.82 (201.98 to 209.72) | 1.025 |
85–89 | 371527 | 98367 | 273160 | 6022 | 163.24 (159.14 to 167.42) | 1957 | 200.63 (191.84 to 209.72) | 4065 | 149.8 (145.23 to 154.48) | 1.339 |
90–94 | 124111 | 28565 | 95546 | 1257 | 101.73 (96.18 to 107.51) | 383 | 134.87 (121.7 to 149.08) | 874 | 91.84 (85.85 to 98.14) | 1.468 |
≥ 95 | 27732 | 5259 | 22473 | 188 | 67.99 (58.62 to 78.43) | 69 | 131.85 (102.59 to 166.87) | 119 | 53.08 (43.97 to 63.52) | 2.483 |
Total | 49705663 | 24819839 | 24885824 | 252810 | 50.99 (50.79 to 51.19) | 114717 | 46.32 (46.06 to 46.59) | 138093 | 55.65 (55.35 to 55.94) | 0.832 |