Exfoliation syndrome in Northern Nigeria

Figures & data

Figure 1 Map of Nigeria showing the six geopolitical zones.

Note: Reproduced from National Identity Management Commission. NIMC enrolment centres. Available from: https://www.nimc.gov.ng/nimc-enrolment-centres/.³²

Figure 2 Patient flowchart.

Table 1 Demographic distribution and frequency of the study group

Parameters	Frequency (N=620)	Percentages
Age (years)
30–39	103	16.6
40–49	154	24.8
50–59	170	27.4
60–69	138	22.3
70–79	51	8.2
≥80	4	0.7
Total	620	100.0
Sex
Male	351	56.6
Female	269	43.4
Total	620	100
Education
None	162	26.2
Primary	158	25.4
Secondary	92	14.8
Tertiary	139	22.4
Quranic	69	11.2
Total	620	100
Geopolitical zone
North-West	419	67.6
North-East	77	12.5
North-Central	59	9.5
South-West	31	5
South-East	17	2.7
South-South	17	2.7
Total	620	100
XFS
With	9	1.5
Without	611	98.5
Total	620	100

Abbreviation: XFS, exfoliation syndrome.

Table 2 Age distribution of 9 patients with XFS

Age (years)	Number with XFS
60	1
65	3
68	1
69	1
70	1
75	2

Abbreviation: XFS, exfoliation syndrome.

Figure 3 Anterior segment photos of exfoliation syndrome.

Table 3 Mean IOP distribution with or without glaucoma in 620 patients

	XFS with glaucoma	XFS without glaucoma	All patients with XFS	All patients without XFS	Glaucoma without XFS
IOP OD (mmHg)	20.0±7.2	14.0±3.7	16.6±5.9	20.4±8.7	29.2±8.8
IOP OS (mmHg)	24.7±2.3	14.5±3.0	18.9±6.0	21.0±9.2	30.8±8.6

Notes: XFS without glaucoma: IOP in patients who had only exfoliation syndrome but did not have glaucoma. Glaucoma without XFS: IOP in patients who had glaucoma but did not have exfoliation syndrome.

Abbreviations: IOP, intraocular pressure; XFS, exfoliation syndrome.

National Identity Management CommissionNIMC enrolment centres Available from: https://www.nimc.gov.ng/nimc-enrolment-centres/

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