A National Baseline Prevalence Survey of Schistosomiasis in the Philippines Using Stratified Two-Step Systematic Cluster Sampling Design

Table 3

Prevalence of schistosomiasis in endemic provinces 2005–2008.

Rank	Name of province	Prevalence (%)	95% CI	Region
1	Mindoro Oriental	6.3	4.40–8.80	4B
2	Agusan del Sur	3.9	3.10–5.00	Caraga
3	Sorsogon	3.6	2.20–5.70	5
4	Northern Samar	2.4	1.50–3.70	8
5	Eastern Samar	1.8	1.00–2.90	8
6	Maguindanao	1.8	0.90–3.20	ARMM
7	Bukidnon	1.8	1.00–2.60	10
8	Surigao del Sur	1.3	0.70–2.20	Caraga
9	Leyte	0.9	0.40–1.70	8
10	Lanao del Norte	0.8	0.40–1.50	10
11	Davao del Norte	0.8	0.30–1.50	11
12	Western Samar	0.8	0.10–2.76	8
13	Compostela Valley	0.7	0.30–1.50	11
14	Caloocan	0.6	0.00–3.20	NCR
15	Cotabato + Kidapawan	0.5	0.20–1.10	12
16	Marawi City	0.4	0.10–1.50	ARMM
17	Cagayan Valley	0.4	0.10–1.60	2
18	Surigao del Norte	0.3	0.10–0.90	Caraga
19	South Cotabato	0.3	0.00–1.00	12
20	Sultan Kudarat	0.2	0.00–0.90	12
21	Iloilo	0.2	0.00–0.70	6
22	Davao del Sur + Digos	0.1	0.00–0.50	11
23	Agusan del Norte	0.08	0.00–0.40	Caraga