Table 5

Identification of well treated and undertreated patients using the diagnostic code-based and clinical measurement-based approach

Well treated patients

Undertreated patients


Type of approach

proportion detected*, %

N

Proportion detected**, %

N

N of eligible patients per PQI


PQI-1 Prescription of any antihypertensive medication in hypertensive T2DM patients

2070


Reference method

-

1687

-

383

Diagnostic code-based, hypertension

54 (905/1687)

905

21 (79/383)

79

Measurement-based, SBP ≥140

84 (1412/1687)

1412

88 (337/383)

337


PQI-2 Prescription of beta blocker in hypertensive T2DM patients with a history of IHD or MI

251


Reference method

-

159

-

92

Diagnostic code-based, hypertension

63 (100/159)

100

60 (55/92)

55

Measurement-based, SBP ≥140

79 (125/159)

125

75 (69/92)

69


PQI-3 Prescription of metformin in overweight T2DM patients

1837


Reference

-

1193

-

644

Diagnostic code-based, overweight or obesity

12 (139/1193)

139

11 (74/644)

74

Measurement-based, BMI ≥25

97 (1154/1193)

1154

95 (613/644)

613


T2DM: Type 2 Diabetes mellitus

SBP: Systolic Blood Pressure

BMI: Body Mass Index (weight in kilograms divided by height in meters-squared)

*Number of treated patients detected through the tested approach divided by the number of treated patients according to the reference method

**Number of untreated patients detected through the tested approach divided by the number of untreated patients according to the reference method

Martirosyan et al. BMC Health Services Research 2010 10:137   doi:10.1186/1472-6963-10-137

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