Classification of included economic evaluation studies on thyroid cancer
| Reclassification according to the theoretical method of economic evaluation | ||||||
| CA | CMA | CEA (including CUA) | Total | |||
| Classification in method of economic evaluation in existing literature | CA | 5 | 4 | - | 9 | |
| CMA | - | 2 | 1 | 3 | ||
| CEA (including CUA) | - | 2 | 35 | 37 | ||
| Total | 5 | 8 | 36 | 49 | ||
| Agreement=93.3% | ||||||
| Cohen’s Kappa index |
||||||
| CA | CMA | CEA | CUA | Total | ||
| Classification in method of economic evaluation in existing studies | CA | 5 | 4 | - | - | 9 |
| CMA | - | 2 | 1 | - | 3 | |
| CEA | - | 2 | 4 | 23 | 29 | |
| CUA | - | - | 1 | 7 | 8 | |
| Total | 5 | 8 | 6 | 30 | 49 | |
| Agreement=36.7% | ||||||
| Cohen’s Kappa indexa (95% CI)=0.47 (0.33-0.62) p-value=2.56×10−10 | ||||||
CA: cost analysis, CEA: cost-effectiveness analysis, CI: confidence interval, CMA: cost-minimization analysis, CUA: cost-utility analysis, HT:hemithyroidectomy, ICER: incremental of cost-effectiveness ratio, N: number, PTC: papillary thyroid carcinoma, QALY: quality-adjusted life year, TT: total thyroidectomy
Based on the classification by reviewers, 4 CA articles were re-defined as CMA articles, 1 CMA article was re-defined as a CEA article, 2 CEA articles were re-defined as CMA articles, 23 CEA articles were re-defined as CUA articles, and lastly, 1 CUA article was re-defined as a CEA article.
aWeighted index.