Table 4.
Diagnostic accuracy of selected algorithms by diabetes type in a cohort of children and adolescents ages 1–15 years living in Montreal or Laval, 2002–2011 (Types 1 and 2)
| Type 1 diabetes | Type 2 diabetes | |||||
|---|---|---|---|---|---|---|
| Algorithmsa | True positive (N) | False negative (N) | Sensitivity (95% CI) | True positive (N) | False negative (N) | Sensitivity (95% CI) |
| Two claims or any hospitalization in 2 years | 813 | 20 | 97.6 (96.3–98.4) | 31 | 8 | 79.5 (64.5–89.2) |
| Two claims or any hospitalization in 2 years + | 821 | 12 | 98.6 (97.5–99.2) | 32 | 7 | 82.1 (67.3–91.0) |
| Four claims in 2 years | 770 | 63 | 92.4 (90.4–94.0) | 23 | 16 | 59.0 (43.4–72.9) |
| Four claims or any hospitalization in 1 year | 775 | 58 | 93.0 (91.1–94.6) | 25 | 14 | 64.1 (48.4–77.3) |
Note: aAll claims separated by 30 days except those indicated by +.