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Table 1 Description of the cohorts in a validation study of the Swedish National Patient Register with regards to ICD-10 code registrations of distal radius fractures

From: Validity of distal radius fracture diagnoses in the Swedish National Patient Register

Outpatient register

 Cohort 1

S52.5–Distal radius fracture

 Cohort 2

S52.6–Distal radius and ulnar fracture

 Cohort 3

S52.5 or S52.6 and

NCJ/NDJ29-99 codes for surgical treatment

Inpatient register

 Cohort 4

S52.5–Distal radius fracture

 Cohort 5

S52.6–Distal radius and ulnar fracture

 Cohort 6

S52.5 or S52.6 and

NCJ/NDJ29-99 codes for surgical treatment