Table 1 Validated algorithms used to identify juvenile diabetes cases in administrative health data

1: 1 + H or 1 + P

1 or more hospital separation or 1 or more physician visit in 1 year

23, 25, 28

ICDA-8: 249, 250

ICD-9-CM: 250.^b

ICD-CA: E10.^b - E14.^b

1: 1 + H or 2 + P

1 or more hospital separation or 2 or more physician visits in 1 year

23, 25, 28, 29

1: 1 + H or 3 + P

1 or more hospital separation or 3 or more physician visits in 1 year

23, 28

1: 1 + H or 4 + P

1 or more hospital separation or 4 or more physician visits in 1 year

28

2: 1 + H or 1 + P

1 or more hospital separation or 1 or more physician visit in 2 years

23, 25

2: 1 + H or 2 + P

1 or more hospital separation or 2 or more physician visits in 2 years

23, 24, 25, 26, 27, 28

3: 1 + H or 1 + P

1 or more hospital separation or 1 or more physician visit in 3 years

25

3: 1 + H or 2 + P

1 or more hospital separation or 2 or more physician visits in 3 years

25, 28

1: 1 + P

1 or more physician visits in 1 year

23, 28

1: 2 + P

2 or more physician visits in 1 year^a

23, 28

1: 3 + P

3 or more physician visits in 1 year^a

23, 28

1: 4 + P

4 or more physician visits in 1 year^a

23, 28

1: 5 + P

5 or more physician visits in 1 year^a

23, 28

2: 1 + P

1 or more physician visits in 2 years

23, 28

2: 2 + P

2 or more physician visits in 2 years^a

23, 28

2: 3 + P

3 or more physician visits in 2 years^a

23, 28

2: 4 + P

4 or more physician visits in 2 years^a

23, 24, 28

2: 5 + P

5 or more physician visits in 2 years^a

23, 28