74 Chapter 4 Secondary Outcomes Work performance Work absenteeism due to AT was reported in 9% of the patients. Within this 9%, the mean (SD) annual number of days that patients were unable to work due to AT was 7.8 (5.7). The median (IQR) annual number of days that the whole study population of patients was unable to work due to AT was 0 (0-0). 38% of the patients reported a decrease in work productivity. Healthcare utilization The median (IQR) total number of healthcare visits was 9 (3-11) per patient per year. The majority (84%) reported having visited a physiotherapist and 23% reported the use of foot orthoses prescribed by a podiatrist. 39% visited a GP, whereas 28% of the participants visited a sports medicine physician or orthopedic surgeon. 33% of all annual healthcare visits consisted of ‘regular physiotherapy treatment’ (e.g. exercise therapy, massage therapy and taping) performed by a physiotherapist. Table 3 demonstrates the frequencies of annual healthcare visits per type of healthcare provider. Table 4 shows the annual health care utilization per type of treatment. Table 3. Annual health care utilization and medical costs per patient, per type of healthcare provider (n=80) Health care provider Patients using resource, no. (%) Mean resource consumption (% of all healthcare visits) Mean (SD) medical costs Median (IQR) medical costs Primary care (visits) General Practitioner 31 (39) 0.50 (4.6) €17 (47) €0 (0-17) Physical therapist 67 (84) 9.7 (88.2) €320 (598) €176 (33-355) Podiatrist 18 (23) 0.15 (1.4) €23 (51) €0 (0-0) Other† 6 (8) 0.27 (2.4) €20 (94) €0 (0-0) Secondary Care (visits) Sports medicine physician/ orthopedic surgeon 22 (28) 0.37 (3.4) €36 (71) €0 (0-42) Total 10.8 (100)* €415 (631) €258 (131-480) Abbreviations: IQR: interquartile range, SD: standard deviation * Total median (IQR) annual healthcare visits was 9 (3-11). † Another healthcare provider (e.g. osteopath, chiropractor or alternative medicine). Differences between healthcare visits/costs and total visits/costs are due to rounding off
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