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| Statistical indicators | Concept of indicators | Significance of indicators |
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| Positive coefficient (C) | Recovery rate of the expert survey and consultation questionnaire (C = n/N ∗ 100%, n represents the number of clinicians participating in the questionnaire; N represents the total number of clinicians consulted) | A high positive coefficient of the clinicians indicates that the clinicians have a high degree of attention and enthusiasm in participating in this research project |
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| Concentration degree | Reflects the degree of concentration of clinicians’ opinions on the relative importance of various indicators; evaluated by the median, mean, and standard deviation and by the median, mean, standard deviation and percentage | The higher the percentage is, the larger the mean, the smaller the standard deviation, and the more important the CHM in the expert evaluation opinions |
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| Degree of coordination (CV) | Reflects the convergence of divergent clinicians’ opinions, which is usually expressed by the coefficient of variation and the Kendall harmony coefficient | CV = (S/X) × 100%; the smaller the coefficient of variation is, the higher the degree of coordination among the clinicians’ opinions on herbal pairs containing TM, the smaller the divergence, and the better the convergence |
| The Kendall harmony coefficient indicates the overall degree of coordination of clinicians’ opinions on herbal pairs. The larger the value is, the higher the degree of coordination of clinicians’ opinions (its value ranges from 0 to 1) |
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| Questionnaire reliability (α) | Reliability refers to the degree of consistency of the results obtained by repeated measurements of the same object using the same method, which is expressed by Cronbach’s alpha | α ≥ 0.9 indicates high reliability; 0.8 ≤ α < 0.9 indicates acceptable reliability; 0.7 ≤ α < 0.8 indicates that some problems may exist; and α < 0.7 indicates major problems |
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