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Table 2 Appearance and disappearance of the nodules after 3 years of treatment

From: Individuals living in an onchocerciasis focus and treated three-monthly with ivermectin develop fewer new onchocercal nodules than individuals treated annually

 

All participants

150 µg/kg annually

800 µg/kg annually

150 µg/kg

3-monthly

800 µg/kg

3-monthly

P-value

No. of subjects

485

126

122

125

112

 

Mean no. of new nodules ± SD

2.1 ± 1.7

2.1 ± 1.7

2.4 ± 1.8

1.7 ± 1.5

2.0 ± 1.6

0.014

Mean no. of nodules that disappeared ± SD

0.5 ± 0.8

0.5 ± 0.8

0.5 ± 0.7

0.6 ± 0.8

0.6 ± 0.8

0.279

  1. Abbreviation: No, number; SD, standard deviation