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Table 2 Number of health facilities included in the analysis by year and IRS status

From: Retrospective evaluation of the effectiveness of indoor residual spray with pirimiphos‐methyl (Actellic) on malaria transmission in Zambia

Category

2013

2014

2015

2016

2017

Included in descriptive analysis

No IRS

481

481

262

238

226

IRS

0

0

168

191

202

IRS w/ mSpray

0

0

51

52

53

Included in regression

No IRS

392

392

207

189

180

IRS

0

0

137

153

164

IRS w/ mSpray

0

0

48

50

48