TABLE 2.
HbA1c (%) category | <7% | 7% to <8% | 8% to <9% | ≥9% | |
---|---|---|---|---|---|
DPV | No. cases | 4,335 | 6,734 | 4,477 | 3,241 |
No. SH events | 167 (113, 54) | 242 | 215 | 94 | |
SH rate | 3.3 (2.7–4.0) | 3.2 (2.7–3.7) | 4.2 (3.5–5.0) | 2.5 (1.9–3.1) | |
IRR | 1.05 (0.82–1.34) | 1.00 | 1.32 (1.05–1.67)* | 0.78 (0.58–1.04) | |
T1DX | No. cases | 474 | 2,126 | 2,363 | 162 |
No. SH events | 33 | 113 | 162 | 195 | |
SH rate | 6.6 (4.2–10.6) | 5.1 (4.0–6.5) | 6.9 (5.6–8.5) | 8.7 (7.1–10.7) | |
IRR | 1.30 (0.77–2.18) | 1.00 | 1.34 (0.98–1.84) | 1.70 (1.24–2.32)† | |
WACDD | No. cases | 90 | 357 | 231 | 187 |
No. SH events | 6 | 27 | 16 | 17 | |
SH rate | 4.7 (1.7–12.8) | 5.4 (3.3–8.9) | 5.8 (3.2–10.7) | 9.0 (4.8–16.8) | |
IRR | 0.87 (0.29–2.60) | 1.00 | 1.08 (0.50–2.34) | 1.67 (0.74–3.78) |
Abbreviations: DPV, Diabetes Patienten Verlaufsdokumenation; HbA1c, glycated hemoglobin; T1DX, Type 1 Diabetes Exchange; WACDD, Western Australian Children Diabetes Database.
P = .02,
P = .001.