Table 1.
Comparison of children in different age-groups at the time of diagnosis of type 1 diabetes (N = 1,656)
| 0–4 years | 5–9 years | 10–14 years | P | <2 years | ≥2 years | P | |
|---|---|---|---|---|---|---|---|
| n (%) | 436 (26.3) | 629 (38.0) | 591 (35.7) | 103 (6.2) | 1,553 (93.8) | ||
| Boys (%) | 53.7 | 54.2 | 61.1 | 0.020 | 60.2 | 56.3 | 0.438 |
| Symptoms of diabetes >2 weeks (%) | 29.8 | 35.8 | 40.9 | 0.006 | 28.2 | 36.5 | 0.140 |
| Blood pH† | 7.39 (7.34–7.40) | 7.38 (7.34–7.41) | 7.36 (7.27–7.40) | <0.001 | 7.36 (7.27–7.39) | 7.38 (7.33–7.40) | 0.001 |
| Plasma glucose (mmol/l)* | 25.8 (24.8–26.9) | 24.6 (23.8–25.4) | 26.2 (25.3–27.2) | 0.173 | 29.4 (26.8–32.1) | 25.3 (24.8–25.9) | <0.001 |
| DKA (%), pH <7.30* | 16.5 (14.7–18.3) | 14.6 (11.8–17.4) | 26.4 (22.8–30.0) | <0.001 | 30.1 (21.2–38.9) | 18.6 (16.6–20.6) | 0.004 |
| Severe DKA (%), pH <7.10* | 3.7 (1.9–5.5) | 3.1 (1.7–4.5) | 5.9 (4.0–7.8) | 0.048 | 7.8 (2.6–12.9) | 4.0 (3.0–5.0) | 0.070 |
| BMI (kg/m2) | |||||||
| With DKA† | 14.4 (13.4–15.5)‡ | 14.6 (13.2–16.2)§ | 15.8 (14.2–17.8)‖ | 15.1 (13.7–15.6)¶ | 15.2 (13.7–17.0)# | ||
| Without DKA† | 14.8 (13.9–15.9) | 15.1 (14.0–16.6) | 16.9 (15.2–19.2) | 15.0 (14.1–16.0) | 15.5 (14.3–17.3) |
Data are means (95% CI)
*, medians (interquartile range)
†, or proportions (95% CI).
‡P = 0.026.
§P = 0.065.
‖P < 0.001.
¶P = 0.295.
#P = 0.019.