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<strong>KCE</strong> reports vol. 40 APPENDICES Physio<strong>the</strong>rapy 155<br />

Third, conditions treated by ambulatory physio<strong>the</strong>rapists are sometimes vague, are not necessarily related to<br />

an underlying disease or can sometimes only be diagnosed in terms of symptoms/complaints. Classification of<br />

such conditions was easier to be performed with <strong>the</strong> ICPC-2, a classification essentially based on <strong>the</strong> high<br />

prevalence of common diagnoses in ambulatory practice. On <strong>the</strong> contrary, a certain number of<br />

symptoms/complaints and non-disease conditions recorded in <strong>the</strong> survey were hardly classified using <strong>the</strong> ICD-<br />

10 classification. Indeed, <strong>the</strong> ICD-10 is a disease-oriented classification that is mainly based on <strong>the</strong> aetiology,<br />

pathology, and morphology of <strong>the</strong> wide range of known diagnoses. Therefore, it lacks sufficient rubrics for<br />

<strong>the</strong> symptoms and non-disease conditions managed in ambulatory physio<strong>the</strong>rapy.<br />

Examples:<br />

1) It was difficult to classify visceral problem or heel complaint with <strong>the</strong> ICD-10 because<br />

<strong>the</strong>se conditions were too vague. On <strong>the</strong> contrary, visceral problem was easily classified<br />

using <strong>the</strong> ICPC-2 as digestive symptom/complaint o<strong>the</strong>r in <strong>the</strong> digestive chapter and heel<br />

complaints as foot/toe symptom/complaint in <strong>the</strong> musculoskeletal chapter.<br />

2) Non-disease conditions such as delayed milestone , pre-/post-natal physio<strong>the</strong>rapy, or<br />

impaired mobility have been classified under broad general headings of <strong>the</strong> ICD-10 that<br />

have little relationship with <strong>the</strong> natural language of clinicians. Delayed milestone has been<br />

classified in general symptoms and signs of <strong>the</strong> symptoms, signs, and abnormal clinical<br />

and laboratory findings, not elsewhere classified chapter although conditions referring to<br />

developmental disorders of scholastic skills are classified in <strong>the</strong> mental/behavioural<br />

disorders chapter. Pre-/post-natal rehabilitation and impaired mobility were respectively<br />

classified as supervision of normal pregnancy and reduced mobility in <strong>the</strong> factors<br />

influencing health status and contact with health services chapter. On <strong>the</strong> contrary, by using<br />

<strong>the</strong> ICPC-2, delayed milestone was classified as child behaviour symptom/complaint in<br />

<strong>the</strong> psychological chapter; pre-/post-natal rehabilitation as pregnancy in <strong>the</strong><br />

pregnancy/childbearing/family planning chapter; and impaired mobility as limited<br />

function/disability NOS in <strong>the</strong> general and unspecified chapter.<br />

For all of <strong>the</strong>se reasons, <strong>the</strong> ICPC-2 classification that has been specifically developed for community care<br />

seems to be easier and more adequate within <strong>the</strong> framework of ambulatory physio<strong>the</strong>rapy.<br />

The validity of <strong>the</strong> data relative to <strong>the</strong> physio<strong>the</strong>rapeutic sessions has been investigated by comparing <strong>the</strong><br />

Belgian physio<strong>the</strong>rapeutic nomenclature codes recorded in <strong>the</strong> survey with <strong>the</strong> benefits payments recorded by<br />

<strong>the</strong> INAMI/RIZIV during <strong>the</strong> year 2005. Significant differences were found for all variables of <strong>the</strong> Belgian<br />

nomenclature code. A slightly higher proportion of 30-minutes sessions (costing 18 ) performed in <strong>the</strong><br />

physio<strong>the</strong>rapists office to treat acute and chronic conditions of FA/FB lists was observed in <strong>the</strong> survey as<br />

compared with <strong>the</strong> INAMI/RIZIV data. The significant differences cannot be explained by a nonrepresentativeness<br />

of <strong>the</strong> demographic characteristics of <strong>the</strong> respondents with regard to <strong>the</strong> sampling frame.<br />

Never<strong>the</strong>less, <strong>the</strong> sampling frame of <strong>the</strong> survey was exclusively constituted by physio<strong>the</strong>rapists performing at<br />

least 1000 benefit payments of types Ia and/or II and/or VI per year while <strong>the</strong> data of <strong>the</strong> INAMI/RIZIV included<br />

all benefit payments of types Ia and/or II and/or VI recorded during <strong>the</strong> year 2004. Despite <strong>the</strong> significant<br />

differences found between survey and INAMI/RIZIV data, <strong>the</strong> differences of proportions observed between<br />

<strong>the</strong>m were, on <strong>the</strong> whole, small (average proportion difference: 2.25 ± 3.06%). Why small proportion<br />

differences are detected as significant could be explained by <strong>the</strong> very high number of sessions recorded by <strong>the</strong><br />

INAMI/RIZIV (n = 29,198,425). Indeed, high data size may increase type 1 errors resulting in <strong>the</strong> finding of a<br />

significant difference when in fact <strong>the</strong>re is not. Moreover, <strong>the</strong> same general trend is observed for all variables<br />

of <strong>the</strong> Belgian nomenclature code both in survey and in INAMI/RIZIV data: 30-minutes sessions performed to<br />

treat common pathologies in <strong>the</strong> physio<strong>the</strong>rapists office and costing 18 represent <strong>the</strong> most usual situation<br />

observed in Belgian ambulatory physio<strong>the</strong>rapy. However, survey data understimate <strong>the</strong> number of heavy<br />

pathologies treated in Belgian ambulatory physio<strong>the</strong>rapy.<br />

1.3.2. Treatment modalities applied in Belgian ambulatory physio<strong>the</strong>rapy<br />

The treatment modalities applied in Belgian ambulatory physio<strong>the</strong>rapy would be now discussed for each of <strong>the</strong><br />

five selected conditions in <strong>the</strong> light of <strong>the</strong> literature review on evidence-based physio<strong>the</strong>rapeutic modalities.

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