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Br J Ophthalmol 89:378-384 doi:10.1136/bjo.2003.038430
  • Perspective

Epidemiology for ophthalmologists: an introduction to concepts, study designs, and interpreting findings

Table 3

 Baseline characteristics of the participants in the four treatment arms of the onchocerciasis treatment randomised controlled trial17

Baseline characteristics* 150 μg/kg yearly(n = 166) 800 μg/kg yearly(n = 172) 150 μg/kg 3 monthly(n = 161) 800 μg/kg 3 monthly(n = 158)
*Values are mean unless otherwise stated.
Age (years) 39.6 41.1 40.1 38.4
Height (cm) 172.1 172.8 171.3 172.6
Weight (kg) 62.6 64.1 61.8 62.8
Palpable nodules 4.8 4.9 4.9 5.0
Patients with skin microfilariae (%) 99 95 97 98
Microfilarieae 62.9 51.4 49.6 57.4

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