|
Table. 1
|
Results of epidemiological survey of schistosomiasis mekongi in Kratie Province (April-May 2003) |
| Village |
|
Rapid-ELISA |
| No. examined |
No. positivesa |
Positive ratio (%) |
| Achen |
school children |
105 |
27 |
25.7 |
| adults |
20 |
8 |
40.0 |
| total |
125 |
35 |
28.0 |
| Kompong Krabei |
children
(＜20 y) |
51 |
23 |
45.1 |
adults
(≧20 y) |
53 |
15 |
28.3 |
| total |
104 |
38 |
36.5 |
| Kbal Chuor |
school children |
101 |
60 |
59.4 |
| adults |
30 |
7 |
23.3 |
| total |
131 |
67 |
51.1 |
| Sambok |
school children |
103 |
32 |
31.1 |
| adults |
8 |
3 |
37.5 |
| total |
111 |
40 |
36.0 |
| Talous |
children
(＜20 y) |
136 |
12 |
8.8 |
adults
(≧20 y) |
12 |
2 |
16.7 |
| total |
148 |
14 |
9.5 |
| Hanchey Leu |
children
(＜20 y) |
89 |
12 |
13.5 |
adults
(≧20 y) |
6 |
1 |
16.7 |
| total |
95 |
13 |
13.7 |
|
|
a cut off limit O.D.=0.450
|
|
Table. 2
|
Results of stool examination of schistosomiasis mekongi in Kratie Province
(April-May 2003) |
| Village |
|
Stool exam. (Kato-Katz) |
Formalin-detergent |
| No. exam. |
No. pos. |
Positive ratio (%) |
No. exam. |
No. pos. |
Positive ratio (%) |
| Achen |
school children |
|
|
|
|
|
|
| adults |
|
|
|
3 |
0 |
0.0 |
| total |
|
|
|
3 |
0 |
0.0 |
| Talous |
children
(＜20 y) |
137 |
0 |
0 |
133 |
1 |
0.8 |
adults
(≧ 20 y) |
12 |
0 |
0 |
10 |
0 |
0.0 |
| total |
149 |
0 |
0 |
143 |
1 |
0.7 |
| Hanchey Leu |
children
(＜20 y) |
95 |
0 |
0 |
18 |
1 |
5.6 |
adults
(≧ 20 y) |
6 |
0 |
0 |
4 |
1 |
25.0 |
| total |
101 |
0 |
0 |
22 |
2 |
9.1 |
|
|
Table 3
|
Ultrasonographic examinations in high and low endemic villages in Kratie Province, Cambodia |
| |
Village |
Participants |
| Male |
Female |
Total |
| High endemic area |
Achen |
23 |
49 |
72 |
| K. Krabei |
38 |
64 |
102 |
| Ampilteuk |
43 |
61 |
104 |
| Sambok |
35 |
53 |
88 |
| Total |
139 |
227 |
366 |
| Low endemic area |
Chhlong |
49 |
68 |
117 |
|
|
Table 4
|
Portal hypertension in high and low endemic villages in Kratie Province, Cambodia |
| |
High endemic villages |
Low endemic village |
| Dilatation of portal vein |
None |
227 |
107 |
| Mild |
117 |
10 |
| Moderate |
22 |
0 |
| Collateral vessels |
- |
259 |
115 |
| + |
107 |
2 |
| Ascites |
- |
361 |
117 |
| + |
5 |
0 |
|
|
Table 5
|
Relationship between age and portal hypertension in high endemic villages in Kratie Province, Cambodia |
| |
Portal hypertension (-) |
Portal hypertension (+) |
Age
(y) |
|
Mild |
Moderate |
Severe |
| ≦14 |
22 |
2 |
0 |
0 |
| 15-24 |
48 |
27 |
21 |
5 |
| 25-34 |
43 |
34 |
27 |
11 |
| 35-44 |
46 |
14 |
11 |
0 |
| 45-54 |
32 |
12 |
0 |
2 |
| ≧55 |
7 |
0 |
0 |
0 |
|
|
Table 6
|
Relationship between ages and portal hypertension in low endemic villages of Schistosoma mekongi infection in Kratie Province, Cambodia |
| |
Portal hypertension (-) |
Portal hypertension (+) |
| Age |
|
Mild |
Moderate |
Severe |
| ≦14 |
14 |
0 |
0 |
0 |
| 15-24 |
31 |
2 |
0 |
0 |
| 25-34 |
21 |
2 |
0 |
0 |
| 35-44 |
21 |
2 |
0 |
0 |
| 45-54 |
14 |
2 |
0 |
0 |
| ≧ 55 |
6 |
0 |
0 |
0 |
|
|
|
|
