Data extraction from electronic health records (EHRs) for quality measurement of the physical therapy process: comparison between EHR data and survey data

Table 6 Overview of results on comparability of QIs, QI scores and results on completeness and correctness of EHR data compared to survey data^d

	Changes from survey data to EHR data						Results
Indica-tor	Extracted from EHR	Definition/calculation indicator changed	Items recoded	Original survey score	Recalculated survey score	EHR score	Comple-teness EHR data^b	Correct-ness EHR data^c
QI 1	Yes	Yes	Yes	0.90	0.97	0.89	+	-
QI 2	Yes	Yes	Yes	0.86	0.99	0.94	-	+
QI 3	Yes	Yes	No	0.95	0.96	0.99	+	+
QI 4	No	n.a.	n.a.	0.91	n.a.	n.a.	n.a.	n.a.
QI 5^a	No	Yes	n.a.	0.95	n.a.	n.a.	n.a.	n.a.
QI 6^a	No	Yes	n.a.	0.96	n.a.	n.a.	n.a.	n.a.
QI 7	No	n.a.	n.a.	0.78	n.a.	n.a.	n.a.	n.a.
QI 8	Yes	Yes	No	0.87	0.85	0.84	+	+

^aIndicator 5 and 6 were to be combined when extracted from EHR
^b+ EHR data is more complete; - EHR data is less complete
^c+ QI scores are the same (relative change < 5 %); - QI scores are not the same (relative change > 5 %)
^dn.a. not applicable

ISSN: 1472-6947