eTable 1. EBM codes, OPS codes, and diagnoses.

EBM and OPS codes included in analysis
Catalogue	Codes
EBM	34310 bis 34344, 34350–34351
OPS	3–20, 3–22, 3–24, 3–26, 3–72, 3–73, 3–75
EBM and OPS codes and diagnoses that led to exclusion from subanalysis
Catalogue	Codes
ICD-10	C00-D48.9
EBM	25210, 25211, 25213, 25320–25323, 25330–25333, 34360
OPS	1940, 1941, 3708.0, 3709.0, 370c.1, 3762, 5015.0, 5015.1, 5015.3, 5015.4, 5016.0, 5016.2, 5016.4, 5016.6, 5017.1, 5035.0, 5035.2, 5035.4, 5035.6, 5399.5–5399.7, 5399.b-5399.d, 5492.02, 5506, 5547, 5591.1, 5651.9**, 5820.2**, 5821.15, 5821.29, 5821.33, 5821.43, 5821.53, 5821.6, 5821.63, 5821.e, 5821.f4, 5822.9**, 5839.8, 5852.8**, 5852.9**, 6003.6, 852, 853, 854, 8600, 8601, 8602, 8603, 8918, 5410.00, 5410.01, 5410.10, 5410.11, 5411.00, 5411.01, 5411.20, 5411.22, 5411.23, 5411.30, 5411.31, 5411.40, 5411.41, 5411.50, 5411.51, 8542, 8543, 8544.0, 8544.1, 8547.0–8547.2, 8802.50–8802.52, 8805.00–8805.02, 8805.20, 8805.22, 8805.23, 8805.30, 8805.31, 8805.40, 8805.41, 8805.50, 8805.51, 8805.6

EBM, Uniform Value Scale (Physicians' Fee Schedule); OPS, Classification of Operations and Procedures; ICD-10, International Statistical Classification of Diseases and Related Health Problems