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Table 3 MINORS bias scale

From: The impact of Zn-doped synthetic polymer materials on bone regeneration: a systematic review

Evaluation [16] [17] [26] [18] [19] [20] [21] [22] [23] [27] [24] [28] [25]
Clearly stated aim 2 2 2 2 2 2 2 2 2 2 2 2 2
Contemporary groups 2 2 2 2 2 2 2 2 2 2 2 2 2
Prospective collection of data 2 2 2 2 2 2 2 2 2 2 2 2 2
Sample randomization 0 0 2 0 0 0 0 0 0 2 2 2 0
Test group: Zn content in the materials: 0 (not reported), 1 (materials coated with Zn or rough mixing ratio of Zn), 2 (precise mixing ratio of Zn) 2 1 2 2 1 2 1 1 2 2 2 2 1
Measurements standardization 2 2 2 2 2 2 2 2 2 2 2 2 2
Condition of the samples during measurements 2 2 2 2 2 2 2 2 2 2 2 2 2
Measurements method 2 2 2 2 2 2 2 2 2 2 2 2 2
Endpoints appropriate to the aim of the study 2 2 2 2 2 2 2 2 2 2 2 2 2
Unbiased assessment of the study endpoint 0 0 0 0 0 0 0 0 0 0 0 0 0
Baseline equivalence of groups 2 2 2 2 2 2 2 2 2 2 2 2 2
Adequate statistical analyses 2 2 0 2 2 2 2 2 2 2 2 2 0
Total Score 20 19 20 20 19 20 19 19 20 22 22 22 17
  1. Each item is scored 0 (not reported), 1 (inadequately reported), or 2 (sufficiently reported). The global ideal score is 16 for non-comparative studies and 24 for comparative studies