Review Article

Etiology and Use of the “Hanging Drop” Technique: A Review

Table 2

Risk of bias assessment using MINORS.

Visser et al. (2006) [18]Okutomi et al. (1993) [6]

A clearly stated aimAA
Inclusion of consecutive patientsAU
Prospective collection of dataAA
Endpoints appropriate to the aim of the studyAA
Unbiased assessment of the study endpointII
Follow-up period appropriate to the aim of the study**
Loss to follow-up less than 5%**
Prospective calculation of the study sizeAI
Additional criteria for comparative studies
Adequate control groupA
Contemporary groupsA
Baseline equivalence of groupsA
Adequate statistical analysesA

No follow-up indicated. A: adequate; I: inadequate; U: unclear.