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Table 4 Quality assessment of included studies

From: Efficacy of acupuncture in children with asthma: a systematic review

Author (year) Random sequence generation (selection bias) Allocation concealment (selection bias) Blinding of participants and personnel (performance bias) Blinding of outcome assessment (detection bias) Incomplete outcome data (attrition bias) Selective reporting (reporting bias) Did the analysis include an intent-to-treat analysis?
Karlson and Bennicke (2013) [15] Y NA N N Y Y NA
Scheewe et al. (2011) [16] Y NA N NA Y Y NA
Nedeljković et al. (2008) [17] Y NA N NA NA Y NA
Stockert et al. (2007) [18] Y Y Y Y Y Y N
Gruber et al. (2002) [19] Y NA Y Y NA Y NA
Fung et al. (1986) [20] Y NA Y N NA Y NA
Chow et al. (1983) [21] Y NA Y N NA Y NA
  1. NA, not available; N, no; Y, yes