Table 1

Number of patients with newly diagnosed keratoconus and the estimated incidence rate (per 100 000 inhabitants) of keratoconus in Colombia in 2015–2019

Age group (years)TotalMaleFemaleMale to female ratio
New cases (n)Incidence* (95% CI)New cases (n)Incidence* (95% CI)New cases (n)Incidence* (95% CI)
0–41040.54 (0.06 to 1.02)590.62 (0.09 to 1.14)450.47 (0.02 to 0.91)1.31
5–92101.63 (1.29 to 1.96)861.3 (1.07 to 1.52)1241.96 (1.51 to 2.40)0.66
10–148667.54 (7.37 to 7.71)4968.77 (8.64 to 8.89)3706.32 (6.06 to 6.57)1.38
15–19238620.57 (20.47 to 20.67)149728.87 (28.75 to 28.98)88912.28 (12.11 to 12.44)2.35
20–24326928.59 (28.50 to 28.67)187039.24 (39.12 to 39.35)139917.94 (17.80 to 18.07)2.18
25–29328028.15 (28.06 to 28.24)178436.99 (36.85 to 37.12)149619.32 (19.19 to 19.44)1.91
30–34258923.84 (23.74 to 23.94)134229.99 (29.82 to 30.15)124717.7 (17.56 to 17.83)1.69
35–39189818.58 (18.46 to 18.69)90521.73 (21.51 to 21.94)99315.43 (15.27 to 15.58)1.4
40–44117213.05 (12.90 to 13.19)53714.85 (14.58 to 15.11)63511.25 (11.05 to 11.44)1.32
45–498389.23 (9.06 to 9.40)3549.79 (9.49 to 10.08)4848.68 (8.45 to 8.90)1.12
50–546456.83 (6.64 to 7.02)2727.12 (6.78 to 7.45)3736.55 (6.29 to 6.80)1.08
55–595005.85 (5.63 to 6.07)2126.07 (5.61 to 6.52)2885.64 (5.35 to 5.92)1.07
60–642803.84 (3.54 to 4.13)1173.85 (3.26 to 4.43)1633.83 (3.44 to 4.21)1
65–691833.06 (2.69 to 3.42)702.81 (2.04 to 3.57)1133.31 (2.84 to 3.77)0.84
70–74942.06 (1.55 to 2.57)412.07 (1.16 to 2.97)532.06 (1.38 to 2.73)1
75–79621.77 (1.15 to 2.39)291.97 (0.66 to 3.27)331.58 (0.72 to 2.43)1.24
>80430.99 (0.24 to 1.73)140.89 (0.84 to 0.93)291.09 (0.18 to 1.99)0.81
Overall18 41910.36 (10.08 to 10.64)968512.76 (12.37 to 13.14)87347.96 (7.60 to 8.32)1.6
  • *Incidence=(number of confirmed new cases by quinquennial age during 2015–2019/registered SISPRO consultation by quinquennial age during 2015–2019)×100 000 inhabitants (data set).22

  • SISPRO, System of Information of Social Protection.