Table 5 Manifestation of malaria in rural Huye subdistrict

Parasitaemia

   Absent

484

2.3 (11/482)

28.1

11.5

   Present

61

11.5

0.002

4.8

(1.8-13.2)

82.0

<0.001

17.5

(8.4-36.4)

9.3

<0.0001

Parasite density

   None

484

2.3 (11/482)

28.1

11.5

   < 1000

26

7.7

0.1

3.4

(0.7-16.5)

65.4

0.0002

6.0

(2.5-14.4)

9.9

<0.0001

   1000 < 10000

25

12.0

0.01

4.8

(1.2-18.9)

96.0

<0.0001

105.7

(13.8-812.5)

9.1

<0.0001

   > = 10000

10

20.0

0.005

8.6

(1.6-46.9)

90.0

0.003

40.5

(4.9-336.7)

8.3

<0.0001

P. falciparum infection, PCR

   Absent

457

2.4 (11/455)

26.7

11.6

   Present

88

8.0

0.008

3.0

(1.1-8.1)

72.7

<0.0001

10.8

(6.1-18.9)

9.6

<0.0001

Staged infection

   None

453

2.4 (11/451)

26.5

11.6

   Submicroscopic

31

0

1

0

(0-∞)

51.6

0.004

4.0

(1.9-8.8)

10.2

0.0009

   Microscopic

61

11.5

0.004

4.4

(1.6-12.2)

82.0

<0.0001

20.3

(9.6-42.6)

9.3

<0.0001