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Table 2 Malaria prevalence ratio by location (urban or rural) and time of the survey (May or October)

From: School-based malaria prevalence: informative systematic surveillance measure to assess epidemiological impact of malaria control interventions in the Democratic Republic of the Congo

Survey period and location (U = urban/R = rural)

Blood film results

Samples

Prevalence ratio*

(CI: 95%)

Positive

Negative

May

 

R

Number

380

227

607

2.007

(1.865–2.161)

%

62.6

37.4

U

Number

1598

3526

5124

%

31.2

68.8

Total

Number

1978

3753

5731

%

34.5

65.5

October

 

R

Number

317

260

577

1.839

(1.686–2.007)

%

54.9

45.1

U

Number

1250

2935

4185

%

29.9

70.1

Total

Number

1567

3195

4762

%

32.9

67.1

Total

 

R

Number

697

487

1184

1.924

(1.818–2.036)

%

58.9

41.1

U

Number

2848

6461

9309

%

30.6

69.4

Total

Number

3545

6948

10,493

%

33.8

66.2

  1. * All Chi square comparisons between locations were highly significant (p < 0.0001)