Population-based screening leads to improved glaucoma diagnosis in Kazakhstan

Figures & data

Figure 1. Glaucoma detection in different age groups according to the screening results in the framework of the State Program of the Development of Healthcare.

Table 1. Results of preventive medical examinations performed between 01/01/2016–31/12/2016 to detect glaucoma in men and women aged 40–70 years

Age	The total number of people examined	Patients with suspected glaucoma*	Patients with confirmed glaucoma	Global incidence data in % with confidence intervals (Kapetanakis et al., 2016)
40–49	634857	882 (0.14%)	781 (0.12%)	0.4 (0.2–0.5)
50–59	609427	1730 (0.28%)	1566 (0.26%)	0.7 (0.5–1.0)
60–69	344364	1784 (0.52%)	1660 (0.48%)	1.4 (1.0–1.9)
70	32010	257 (0.80%)	246 (0.77%)	2.7 (2.1–3.7)
Total	1620658	4653	4253

 * if any of the following symptoms was detected: family history of glaucoma, increased IOP (≥21 mmHg), increased cup-to-disc ratio, thinning or/and defect of RNFL.

Figure 2. The total number of patients with newly diagnosed glaucoma (Medinform LLP) [15].

Figure 3. Cartogram showing glaucoma incidence in different regions of the Republic of Kazakhstan per 100,000 population. WKO – West Kazakhstan oblast, NKO – North Kazakhstan oblast, EKO – East Kazakhstan oblast, SKO – South Kazakhstan oblast.

Figure 4. Dependence of the incidence of glaucoma on the availability of ophthalmic personnel.

Table 2. The number of patients with glaucoma and ophthalmologists in Kazakhstan and its regions. WKO – West Kazakhstan oblast, SKO – South Kazakhstan oblast, NKO – North Kazakhstan oblast, EKO – East Kazakhstan oblast

	Glaucoma patients per 100,000 people	Ophthalmologists per 100,000 people
Kazakhstan	113.9	0.8
Akmola oblast	69.1	0.6
Aktobe oblast	68.1	1.2
Almaty oblast	48.9	0.2
Atyrau oblast	150.9	0.7
WKO	62.4	0.7
Zhambyl oblast	66.0	0.4
Karaganda oblast	63.5	0.8
Kostanay oblast	88.1	0.5
Kyzylorda oblast	144.8	0.3
Mangystau oblast	49.5	0.5
SKO	194.8	0.5
Pavlodar oblast	120.5	0.7
NKO	117.7	0.7
EKO	73.4	0.9
Astana	142.3	1.9
Almaty	228.0	2.4

Kapetanakis, C., VV, Mp, F. P., Cook, D. G., Owen, C. G., Rudnicka, A. R., & Rudnicka, A. R. (2016). Global variations and time trends in the prevalence of primary open angle glaucoma (POAG): A systematic review and meta-analysis. The British Journal of Ophthalmology, 100(1), 86–93. https://doi.org/10.1136/bjophthalmol-2015-307223

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Data availability statement

The authors confirm the terms of the share upon reasonable request data policy and have deposited on the location: https://drive.google.com/drive/u/0/my-drive.