Table 1

Descriptors for blinding status of the study in titles of analysed trials (N=116)

Blinding status descriptorsn (%)
Double-blind89 (76)
Blinded8 (6.8)
Single-blind6 (5.1)
Triple masked3 (2.6)
Triple-blind3 (2.6)
Open label1 (0.9)
Observer blinded1 (0.9)
Blinded evaluation1 (0.9)
Blinded trial1 (0.9)
Non-blinded1 (0.9)
Double masked1 (0.9)
Masked1 (0.9)