Table 4 Quality assessment according to QUADAS-2

From: Diagnostic value of signs, symptoms and diagnostic tests for diagnosing pneumonia in ambulant children in developed countries: a systematic review

Nr. Author Patient selection Index test Reference standard Flow and timing
1 Ayalon (2013)
2 Craig (2010)
3 Lynch (2004)
4 Mahabee (2005)
5 Nijman (2013)
6 Oostenbrink (2013)
7 Rothrock (2001)
8 Shah (2010)
9 Shah (2013)
10 Urbanowska (2015)
11 Wingerter (2012)
12 Zukin (1986)
13 Irwin (2017) ?
14 Copetti (2008) ?
15 Ianniello (2016) ?
16 Samson (2018)
17 Zhan (2016)
  1. ☺ low risk of bias high risk of bias ? unclear risk of bias