Baseline Trachoma Mapping in Malawi with the Global Trachoma Mapping Project (GTMP)

Figures & data

FIGURE 1. Map of Malawi Health Zones.

TABLE 1. Demographic characteristics of participants examined in baseline trachoma surveys, Southern Malawi, 2013.

Sex	n (%)	Children 1–9 years, n (%)	Adults 15 + years, n (%)
Male	19,843 (41.0)	11,415 (47.0)	8428 (34.3)
Female	28,552 (59.0)	12,377 (53.0)	16,175 (65.7)
Total	48,395 (100.0)	23,792 (100.0)	24,603 (100.0)

TABLE 2. Prevalence of trachomatous inflammation–follicular (TF) and trachomatous trichiasis (TT) in surveyed districts, Southern and Central Malawi, 2013.

Evaluation unit	Evaluation unit/ district name	TF (1–9 years), % (95% CI)	TT (15 + years) (/1000) (95% CI)	Estimated TT prevalence in the population*/1000
167	Mangochi 1	7.1(4.5–10.5)	2(0.5–5)	1.08
168	Mangochi 2	8.2(5.4–11.7)	3(0.9–5)	1.62
169	Mangochi 3	6.8(4.5–9.8)	3(0.9–5)	1.62
170	Zomba 1	3.7(1.3–6.8)	1(0.1–2)	0.54
171	Zomba 2	5.3(2.9–9.1)	1(0.1–2)	0.54
172	Lilongwe 1	12.6(9.3–16.4)	2(0.7–4.2)	1.08
173	Lilongwe 2	9.9(6.9–13.9)	2(0.7–4.2)	1.08
3692	Balaka	4.3(2.4–6.2)	0(0–0.7)	0
3699	Dowa	8.3(5.3–12.4)	2(0.7–4.2)	1.08
3701	Kasungu	13.5(9.7–16.7)	6(1.2–14)	3.24
3705	Machinga	7.2(4–11.6)	4(1.6–7)	2.16
3712	Neno	6.8(4.2–9.6)	1(0.2–2)	0.54
3714	Nkhota kota	11.1(8.0–14.7)	3(0.5–9)	1.62
3716	Ntcheu	6(3.7–8.1)	1(0–2)	0.54
3717	Ntchisi	7.8(5.5–10.5)	1(0–2)	0.54
3718	Phalombe	2.7(1.6–4.2)	2(0.1–3)	1.08

*Calculated based on 2008 census figures showing that 54% of the Malawi population is over 15 years old.17

FIGURE 2. Prevalence of follicular trachoma (TF) in Malawi, according to the most recent survey data, including those reported in the current manuscript. TRA, trachoma rapid assessment; MoH, Ministry of Health.

FIGURE 3. Prevalence of trachomatous trichiasis (TT) in Malawi, according to the most recent survey data, including those reported in the current manuscript. TRA, trachoma rapid assessment; MoH, Ministry of Health.

Malawi Housing and Population 2008 census. Zomba, Malawi: National Statistical office. Available from: www.nsomalawi.mw [last accessed Nov 2013]

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