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Table 4 Agreement in decile rankings between the baseline cost-efficiency index and each cost-efficiency index alternative by specialty, assessed using the weighted kappa statistic

From: Do differences in profiling criteria bias performance measurements? Economic profiling of medical clinics under the Korea National Health Insurance program: An observational study using claims data

Specialty CI_1 CI_2 CI_3 CI_4 CI_5 CI_6 CI_7 CI_8
General clinics   0.49 0.99 0.49 0.64 0.33 0.63 0.33
Internal medicine   0.37 1.00 0.37 0.80 0.33 0.80 0.33
Pediatrics   0.65 1.00 0.65 0.90 0.62 0.89 0.62
Otorhinolaryngology   0.61 1.00 0.61 0.55 0.36 0.55 0.36
Orthopedic surgery   0.72 1.00 0.72 0.70 0.56 0.70 0.56
Obstetrics & gynecology   0.64 1.00 0.64 0.80 0.58 0.80 0.57
Ophthalmology   0.56 1.00 0.56 0.80 0.52 0.80 0.52
General surgery   0.56 1.00 0.56 0.65 0.40 0.65 0.39
Urology   0.40 1.00 0.40 0.76 0.37 0.76 0.37
Dermatology   0.41 1.00 0.41 0.77 0.40 0.77 0.40
Family medicine   0.45 1.00 0.45 0.72 0.34 0.71 0.34
Psychiatry   0.67 1.00 0.67 0.62 0.51 0.62 0.51
Anesthesiology   0.75 1.00 0.75 0.65 0.52 0.65 0.52
Neurosurgery   0.70 1.00 0.70 0.64 0.47 0.64 0.47
Rehabilitation medicine   0.83 1.00 0.83 0.66 0.56 0.66 0.56
Diagnostic radiology   0.79 1.00 0.79 0.82 0.71 0.81 0.68
Neurology   0.43 1.00 0.43 0.62 0.31 0.62 0.32
Plastic surgery   0.83 1.00 0.83 0.68 0.63 0.68 0.63
Thoracic surgery   0.64 1.00 0.64 0.54 0.37 0.54 0.38