|
Case definition
|
N (%)e
|
Performance values (95% CI)
|
|---|
|
Sensitivity
|
PPV
|
F-score
|
|---|
| 1. ① ICD10 code of E10a
|
305 (0.268)
|
32.9 (28.4, 37.2)
|
33.3 (28.0, 38.4)
|
0.331 (0.285, 0.373)
|
| 2. ② Claims code of injector needlesb
|
154 (0.135)
|
32.3 (27.9, 36.6)
|
64.8 (58.9, 70.6)
|
0.431 (0.382, 0.475)
|
| 3. ③ Claims codes of basal insulinc
|
1392 (1.224)
|
40.2 (36.1, 44.5)
|
8.9 (7.6, 10.3)
|
0.146 (0.126, 0.166)
|
| 4. ④ Claims codes of syringe pumpd
|
14 (0.012)
|
3.9 (1.9, 6.0)
|
86.2 (68.0, 99.0)
|
0.075 (0.037, 0.112)
|
| 5. ① as well as ② |
73 (0.064)
|
21.4 (17.0, 25.4)
|
90.4 (85.0, 94.8)
|
0.346 (0.286, 0.399)
|
| 6. ① as well as ③ |
136 (0.120)
|
25.9 (21.7, 30.1)
|
58.8 (51.0, 66.2)
|
0.360 (0.307, 0.411)
|
| 7. ① as well as ④ |
12 (0.011)
|
3.6 (1.7, 5.5)
|
92.2 (79.0, 99.4)
|
0.069 (0.034, 0.103)
|
| 8. ① as well as (③ or ④) |
138 (0.121)
|
26.4 (22.0, 30.5)
|
58.9 (51.0, 66.2)
|
0.364 (0.310, 0.414)
|
| 9. ① as well as (② or ④) |
81 (0.071)
|
23.7 (19.5, 27.9)
|
90.2 (85.2, 94.4)
|
0.375 (0.319, 0.427)
|
| 10. ① as well as (② or ③) |
136 (0.120)
|
25.9 (21.7, 30.1)
|
58.8 (51.0, 66.2)
|
0.360 (0.307, 0.411)
|
| 11. ① as well as (② or ③ or ④) |
136 (0.120)
|
26.4 (22.0, 30.5)
|
58.9 (51.0, 66.2)
|
0.364 (0.310, 0.414)
|
- CI confidence interval, NPV negative predictive value, PPV positive predictive value
- aConfirmed disease name of type 1 diabetes based on ICD10 code
- bThe claims code of injector needles for type 1diabetes
- cThe claims codes of basal insulin
- dThe claims codes of syringe pump for continuous subcutaneous insulin infusion
- eNumber of cases who fell within the case definitions in the test data (prevalence within the test data)
