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. 2021 Nov 6;21:2022. doi: 10.1186/s12889-021-12032-9

Table 2.

Delphi expert authority coefficient, degree of opinion concentration and degree of opinion coordination

Survey rounds Cs Ca Cr Mean (min-max) Sd. (min-max) Full score ratio (min-max) Kendall coordination coefficient χ2 P
First-round 0.679 0.930 0.805 2.575–4.325 0.230–1.125 7.50–55.00% 0.399 191.353 <0.001
Second-round 0.715 0.980 0.848 2.725–4.125 0.230–1.080 10.00–40.00% 0.378 151.220 <0.001

Cr Expert Authority Coefficient, Cs Judgment Coefficient, Ca Familiarity Coefficient, Sd. Standard Deviation