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Table 1 Resource unit used, cost (€) per unit, number of units and the uncertainty interval used for the cost estimation in the probabilistic sensitivity analysis (PSA)

From: A health economic evaluation of screening and treatment in patients with adolescent idiopathic scoliosis

No. Variables Unit cost (€) Range (±%), cost Units Range (±%), units
  Screening     
1 Examiners (minutes) 47 20 9 20
2 Materials and supplies 0.03 20   
3 Scoliometer 1.4 20   
  For confirmation of scoliosis     
4 Transportation to X-ray exam 22 50   
5 Radiographs 63 30   
  For confirmed scoliosis >20°     
6 Transport to specialist evaluation 182 50   
7 Specialist evaluation 62 30   
8 Radiographs 128 30   
  Brace treatment     
9 Boston brace 3020 20 1.5 30
10 Reimbursement for wear and tear of clothes and linen/year 725 20 2 20
11 Hospital hotel, days (child and 1 parent) 212 30 3 30
12 Out-patient consultations 62 30 4 20
13 Physical therapy 55 30 1 20
14 Radiographs 128 30 4 20
15 Time used by one parent (days) 289 30 4 30
16 Transportation 137 50 4 50
  Surgery     
17 Implants/utilities (per operation) 9390 20   
18 Out patients consultations 62 30 4.5 10
19 Surgeons (hours)* 118 30 6 20
20 Anesthesiologists (hours) 118 30 5 20
21 Anesthesiologist nurse (hours) 71 30 5 20
22 Scrub nurses (hours)* 71 30 10 20
23 Intensive care (days) 4190 30 1  
24 Postoperative care unit (per day) 1872 30 2 25
25 Regular ward (days) 1541 30 8 25
26 Physical therapy 55 30 10 20
27 Radiology examination 160 30 6 20
28 Time used by one parent (days) 289 30 15 30
29 Taxi from home to school after treatment (days) 63 50 10 50
30 Transportation (days) 104 50 6 30
31 Transportation home after surgery 508 50   
  1. *Two surgeons and two scrub nurses were involved in each surgery.
  2. All items in each category of interventions were identified, measured, and costs estimated. Percentage of uncertainty was estimated for each item. The percentages of the uncertainty of the PSA’s are also given.
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