From patient care to research: a validation study examining the factors contributing to data quality in a primary care electronic medical record database

Table 2 Validation results for the CPCSSN case finding algorithms of 5 chronic conditions

Condition	CPCSSN+ Chart+	CPCSSN+ Chart-	CPCSSN- Chart+	CPCSSN- Chart-	Sensitivity	Specificity	PPV	Kappa
Condition	CPCSSN+ Chart+	CPCSSN+ Chart-	CPCSSN- Chart+	CPCSSN- Chart-	% (95% CI)	% (95% CI)	% (95% CI)	k (95% CI)
COPD	18	31	7	347	72.0 (52.4-85.7)	91.8 (88.6-94.2)	36.7 (24.7-50.7)	0.44 (.30-.59)
Depression	85	13	31	274	73.3 (64.6-80.5)	95.5 (92.4-97.3)	86.7 (78.6-92.1)	0.72 (.64-.80)
Diabetes	93	9	10	291	90.3 (83.0-94.6)	97.0 (94.4-98.4)	91.2 (84.1-95.3)	0.88 (.82-.93)
Hypertension	283	22	14	84	95.3 (92.2-97.2)	79.2 (70.6-85.9)	92.8 (89.3-95.2)	0.76 (.69-.84)
Osteoarthritis	180	7	105	111	63.2 (57.4-68.5)	94.1 (88.3-97.1)	96.3 (92.5-98.2)	0.46 (.39-.54)

COPD: Chronic Obstructive Pulmonary Disease; CI: Confidence Interval.
Diagnosis identified is denoted by “+”; Diagnosis not identified is denoted by “-”.

ISSN: 2731-4553