Review Article

Harmonic Scalpel Compared to Conventional Hemostasis in Thyroid Surgery: A Meta-Analysis of Randomized Clinical Trials

Table 2

Study validity.

AuthorRandomizationConcealedPatientsOutcome assessorsIntention- to-treatPatients LTFU?
Done AdequateallocationblindedblindedAnalysis

HallgrimssonYesUCUCUCUCYesUC
LombardiYesUCUCYesUCUCUC
YildirimYesUCUCUCUCUCUC
KilicYesUCUCUCUCUCUC
MiccoliYesUCUCYesUCUCUC
FrazzettaYesUCUCUCUCUCUC
CordonYesYesUCUCYesUCUC
OrtegaYesUCUCUCUCUCUC
DefechereuxYesYesUCUCUCUCUC

UC: unclear; LTFU: loss to follow-up.