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Table 2 Diagnoses associated with frequent attender 10% (FA10), high cost users (HC10) and both FA10 and HC10 (registered for physician consultations, adjusted for age, sex and industry), n = 29,380

From: High cost or frequent attender – both spend resources, but are they linked to work disability? A cohort study from occupational health primary care in Finland

 FA10HC10FAHC
(FA10 & HC10)
ICD-10OR95% CIOR95% CIOR95% CI
A00-B99 Certain infectious and parasitic diseases2.432.18–2.712.342.09–2.632.672.36–3.03
F00-F99 Mental and behavioural disorders4.343.96–4.763.523.19–3.874.163.74–4.62
G00-G99 Diseases of the nervous system2.742.44–3.083.413.04–3.833.322.91–3.77
I00-I99 Diseases of the circulatory system1.821.63–2.032.091.88–2.332.141.89–2.43
J00-J99 Diseases of the respiratory system2.472.30–2.662.312.15–2.492.982.73–3.26
K00-K93 Diseases of the digestive system2.452.18–2.752.762.45–3.102.822.47–3.21
L00-L99 Diseases of the skin and subcutaneous tissue2.181.97–2.412.222.00–2.462.452.19–2.75
M00-M99 Diseases of the musculoskeletal system and connective tissue4.093.79–4.413.903.61–4.214.674.24–5.13
R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified2.922.69–3.173.022.78–3.283.413.11–3.75
S00-T98 Injury, poisoning and certain other consequences of external causes3.112.87–3.382.031.86–2.222.422.20–2.68
  1. OR Odds ratio, CI Confidence interval
  2. The diagnostic groups were used as dummy variables (No = reference group = 1.00)
  3. ICD-10 = International Classification of Diseases
  4. The 10 largest ICD-10 groups are presented