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Table 4 Descriptive statistics of residual insecticides applied and the number of structures sprayed in Mpumalanga Province during 2001/02 - 2008/09 malaria seasons

From: Changes in malaria morbidity and mortality in Mpumalanga Province, South Africa (2001- 2009): a retrospective study

Insecticide Amount insecticide applied (kg) Mean insecticide applied (SD) Number structures sprayed Mean structures sprayed (SD) Spray coverage (per malaria season)
Baythroid 75 37.3 (52.7) 7517 3758.5 (5311.1) 83.5%
DDT 176571 5044.9 (5409.4) 1588586 45388.2 (50742.9) 81.7%
Fendona 220912 31558.9 (38817) 280341 40048.7 (49368.5) 88.4%
K-Othrine WP 6312 263 (338.1) 322797 13449.9 (17070.1) 85.1%
K-Othrine WG 2543 106(141.6) 666351 27764.6 (38398.1) 90.5%
Total 406413 4417.5(13304.4) 2865592 31148(41899) 85.4%
  1. WP: Wettable powder; WG: Wettable granules; Kg: Kilogram; SD: standard deviation