Astragalus in the Prevention of Upper Respiratory Tract Infection in Children with Nephrotic Syndrome: Evidence-Based Clinical Practice

Table 4

Quality assessment of the included studies.

	Concealment of allocation	Randomization sequence generation	Blinding	Selective reporting	Intention-to-treat analysis	Level of evidence
Kang, 2005 [17]	NS	Unclear^1	No	Not mentioned	Not mention	Unclear risk
J. Chen and S. Q. Chen, 2008 [18]	NS	Quasi-randomization^2	No information	Not mentioned	Not mention	Unclear risk

1The study did not provide the information on the method of random sequence generation and only presented the data that participants with nephrotic syndrome were randomly allocated to treatment and control groups.
²The patients with nephrotic syndrome were allocated to the treatment and control groups according to the order of admission.