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Table 2 Estimated coefficients for variables affecting duration of persistent positivity

From: How long do rapid diagnostic tests remain positive after anti-malarial treatment?

Variable

β

Mean

Standard deviation

Age

 Child

0.47259

0.34271

 Unknown

− 0.17405

0.34302

 Adult

− 0.31372

0.35144

RDT type

 HRP2

0.92519

0.33919

 pLDH

− 1.04777

0.33905

 Combination

0.10741

0.34083

Drug type

 ACT

0.25571

0.41472

 Non-ACT

− 0.27088

0.41472

Year of study

 1990–1995

− 0.32517

0.29396

 1996–2000

− 0.0111

0.26762

 2001–2005

0.36172

0.26733

 2006–2010

− 0.08271

0.26692

 2011–2013

0.04209

0.26782

  1. Higher coefficient values correspond to a lower hazard function and thus increased probability of a longer duration of persistent RDT positivity