Clinical Decision Support Systems (CDSS) for preventive management of COPD patients

Table 1 Comparison of features in CDSS architectures.

Architectural model's feature	Stand-alone	Integrated	Standard-based	Service-oriented
Service transferable across clinical centres	Yes	No	Yes	Yes
Manual data-entry to CDSS minimized	No	No	Yes	Yes
Connected to EHR or HIS	No	Yes	Yes	Yes
Vendor independent EHR or HIS	N/A	No	Yes	No
Standardized clinical knowledge representation	No	No	Yes^†	Sometimes
Standardized clinical data representation	No	No	Sometimes	Yes

^† despite an on-going effort for the last two decades, there is still not a widespread adoption of standard-based systems, nor a widespread CIG format

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