Table 1: Incident Cases of Rheumatoid Arthritis from 1995 to 2001 According to ICD-10 Diagnoses in the Hospital Register

Disease ICD-10 Codes No. Cases (%)
Rheumatoid arthritis M05.0-M05.9; M06.0-M06.9 415 (94)
Psoriatic and enteropathic arthropathy M07.0-M07.9 4 (1)
Palindromic arthritis M12.3 0 (0)
Other arthritis M13.0-M13.9 21 (5)
Polyarthrosis M15.0-M15.9 0 (0)
Ankylosing spondylitis M45.9 0 (0)
Total 440 (100)