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Table 2 Summary of data import mechanism for the sampled SingHealth COPD and Asthma Data Mart (SCDM) patient subset

From: Development of a real-world database for asthma and COPD: The SingHealth-Duke-NUS-GSK COPD and Asthma Real-World Evidence (SDG-CARE) collaboration

Subject area

Observed (count)

Agreement rate1 (%)

Patient Demographics

100

100

Problem List

99

98.99

Laboratory Results

83

100

Radiology Reports

68

100

Medications Prescribed2

100

90

Visit Details

100

100

Rescue Therapy

30

100

Referrals

71

100

Clinical Document Metadata

100

100

Patient History

99

100

Objective Diagnosis

2

100

Asthma Control Test

69

100

COPD Assessment Test

1

100

Modified Medical Research Council Dyspnea Scale

1

100

Global Initiative for Obstructive Lung Disease Score

1

100

Physical Measurements

65

100

Physical Examination

80

100

Peak Expiratory Flow Rate

55

100

Spirometry Results

6

100

Smoking Status

68

100

Vaccination Details

37

100

Written Asthma Action Plan

74

100

Management Plan

92

100

Asthma Counselling

4

100

Pulmonary Rehabilitation3

0

NA

  1. 1Agreement rate is the number of matching SCDM and EMR data fields with observed data divided by the number of EMR data fields with observed data
  2. 2The agreement rate for prescribed medications was lower than other datasets because of the import of a cancelled medication, and not including the free-text remarks for some other medications
  3. 3For pulmonary rehabilitation, there was no observed data in the 100 sampled patients. A deliberate exercise to search for a case with observe data was conducted and was found to have matching data in the data mart