Table 2 Frequencies and incidence rates of central retinal artery occlusion in the Korean population from 2011 to 2020

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