Skip to main content

Table 4 Risk of clinically diagnosed malaria in hyperendemic and mesoendemic catchments during the peak malaria season (February – May).

From: Association of house spraying with suppressed levels of drug resistance in Zimbabwe

Year

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

Hyperendemic population (elev. <600 m)

21306

21925

22643

34298

35733

27647

25578

22651

27174

27989

Mesoendemic population (elev. ≥600 m)

65664

66497

69788

75761

88181

90910

93721

48244

96057

61625

Malarial RR (95% CI)

1.9 (1.72 – 1.99)

1.7 (1.57 – 1.81)

5.3 (5.09 – 5.55)

2.8 (2.67 – 2.88)

1.1 (1.09 – 1.17)

5.0 (4.82 – 5.12)

2.0 (1.89 – 2.04)

2.7 (2.56 – 2.75)

1.6 (1.55 – 1.69)

3.3 (3.06 – 3.48)

P

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001