Table 1: Cost categories, units, valuation, and unit price, all numbers in EURO (€).

Cost categories Unit Valuation Unit price €¹ Primary care (cost group 1)       General practitioner Visits NAV 38 Specialist (several types) Visits NAV 171 Physiotherapy² Per treatment Charge 38 Manual therapy² Per treatment Charge 41 Chiropractor² Per treatment Charge 63 Occupational therapy² Per treatment Charge 41 Others (psychologist, social worker, nurse, practical assistant other types)² Per treatment Charge 38 Alternative treatment3 Visits Out of pocket From 29 to 1625 Hospitalizations/inpatient stays (cost group 2)       Rehabilitation centre Days Direct communication 188 Hospital inpatient unit Days DRG 462 B 711 Hospital outpatient unit Days NAV 195 Hip/knee prosthesis surgery Per patient DRG 211 17783 Inpatient hospital stay before/after rehab stay Days DRG-average 1193 Medication (cost group 3)       Abatacept (Orencia) 3 set à 250 mg Price per month 511 Etnaercept (Enbrel) 4 sett (50 mg) Price per month 665 Adalmimumab, ikke adalmimumab (Humira) 40 mg * 2 Price per month 1312 Infliximab (Remicade) 3 mg per kilo (300 mg) * 0.5 Price per month 2201 Tocilizumab (Ro-Actemra) 8 mg per kilo (400 mg) * 2 Price per month 1246 Anakinra (Kineret) 100 mg per day * 30 Price per month 1016 Leflunomide (Arava) 20 mg 30 tablets Price per month 83 Other medication   Price per month 25 Production loss (sick leave) (cost group 4)       Hours Wage rate per day 244

¹1€ = 8 NOK. ²Treatment time varies from 30 to 45 minutes. 3Treatment modalities such as acupuncture, homeopathy, Thai massage, and Turkey bath/spa rehab stay. NAV: Norwegian Labor and Welfare Administration. DRG: diagnosis-related groups.