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Table 3 Characteristics of the total practice population

From: Measuring data reliability for preventive services in electronic medical records

Variable*

  

Patients

N (Mean)

23,514 (1,306)

Age as of August 31st 2007

Median (IQR)

45 (27–60)

Patient Gender

Male (%)

10,106 (43.0)

Neighbourhood income quintile [32]

  

Unknown

N (%)

51 (0.2)

1 (lowest)

N (%)

3,084 (13.1)

2

N (%)

3,643 (15.5)

3

N (%)

4,345 (18.5)

4

N (%)

5,091 (21.7)

5 (highest)

N (%)

7,300 (31.0)

Recent immigrant [32]

 

1,398 (5.9)

Comprehensiveness of care†[32, 38]

Mean ± SD

0.54 ± 0.35

Overall morbidity (Resource Utilization Bands)‡[39, 40]

Mean ± SD

2.73 ± 1.02

0

N (%)

1,047 (4.5)

1

N (%)

1,480 (6.3)

2

N (%)

4,778 (20.3)

3

N (%)

12,567 (53.4)

4

N (%)

2,783 (11.8)

5

N (%)

859 (3.7)

Overall comorbidity (Adjusted Diagnosis Groups)§[39, 40]

Mean ± SD

4.77 ± 3.04

0

N (%)

1,046 (4.4)

1–4

N (%)

11,189 (47.6)

5–9

N (%)

9,502 (40.4)

10+

N (%)

1,777 (7.6)

Diabetes [28]

N (%)

1,934 (8.2)

Congestive heart failure [34]

N (%)

386 (1.6)

Hypertension [27]

N (%)

5,594 (23.8)

Myocardial infarct [36]

N (%)

311 (1.3)

Asthma [33]

N (%)

3,143 (13.4)

Chronic obstructive pulmonary disease [35]

N (%)

1,120 (4.8)

Mental health [41]

N (%)

4,937 (21.0)

  1. Note: IQR interquartile range; SD standard deviation.
  2. * Obtained from administrative databases.
  3. † Comprehensiveness of care was determined by measuring the percentage of bills for 21 commonly provided services that were provided by the patient’s own family physician.
  4. ‡ Resource utilization bands indicate morbidity and expected health care system use, from 0 (lowest) to 5 (highest).
  5. § Adjusted diagnosis groups indicate comorbidity, from 0 groups (lowest level of comorbidity) to 10+ groups (highest level).