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Table 5 Comparison of the type of poison used in self-poisoning in July- December 2005 and July-December 2009. Data from a subset of 28 hospitals in Anuradhapura district in Sri Lanka

From: Changing epidemiologic patterns of deliberate self poisoning in a rural district of Sri Lanka

  In 2005 In 2009  
Type of poisoning n (%) n (%) Difference of Proportions (95% CI)
Organophosphates 138 (18.6) 116 (15.1) −3.5 (−7.3 to 0.3)
Carbamates 36 (4.9) 35 (4.6) −0.29 (−2.4 to 1.8)
Other & Unknown pesticides 196 (26.4) 177 (23.0) −3.4 (−7.7 to 1.0)
Paraquat 18 (2.4) 18 (2.3) −0.08 (−1. 6 to 1.5)
Medicinal drugs 83 (11.2) 138 (17.9) 6.8 (3.2 to 10.3)
Oleander 100 (13.5) 74 (9.6) −3.8 (−7.16 to −0.6)
Hydrocarbon 54 (7.3) 38 (4.9) −2.3 (−4.7 to 0.09)
Other poison types ± 120 (16.2) 173 (22.5) 6.3 (2.4 to 10.3)
Total 743 769  
  1. ± All other poison types including hydrocarbons, chemicals, plant substances and unknown poison types.