Table 1. Historical and Clinical Characteristics of 525 Patients Younger Than 22 Years Diagnosed With T1D or T2D Who Underwent at Least 1 Eye Examination, 1970-2019.
| Characteristic | Patient groupa | Difference (T1D − T2D) % (95% CI) | P value | |
|---|---|---|---|---|
| T1D (n = 461) | T2D (n = 64) | |||
| Age at diabetes diagnosis, mean (SD), yb | 10.8 (5.1) | 17.3 (3.4) | –6.5 (–7.8 to –5.2) | <.001 |
| Sex | ||||
| Female | 215 (46.6) | 46 (71.9) | –25.3 (–37.2 to –13.3) | <.001 |
| Male | 246 (53.4) | 18 (28.1) | 25.3 (13.3 to 37.2) | <.001 |
| Race and ethnicity | ||||
| American Indian/Alaska Native | 0 | 1 (1.6) | –1.6 (–4.6 to 1.5) | .12 |
| Asian | 3 (0.7) | 9 (14.1) | –13.4 (–22.0 to –4.9) | <.001 |
| Black | 21 (4.5) | 12 (18.7) | –14.2 (–23.9 to –4.4) | <.001 |
| Hispanic | 3 (0.7) | 4 (6.3) | –5.6 (–11.6 to 0) | .005 |
| White | 384 (83.3) | 35 (54.7) | 28.6 (–39.7 to –14.4) | .001 |
| Mixed | 0 | 1 (1.6) | –1.6 (–4.6 to 1.5) | .12 |
| Otherc | 8 (1.7) | 1 (1.6) | 0.2 (–3.1 to 3.4) | >.99 |
| Unknown | 42 (9.1) | 1 (1.6) | 7.5 (3.5 to 11.6) | .047 |
Abbreviations: T1D, type 1 diabetes; T2D, type 2 diabetes.
a
Unless otherwise indicated, data are expressed as number (%) of patients.
b
Combined mean (SD) age: 12.1 (5.4) years (range, 73 days to 21.8 years).
c
Includes patients who self-identified as non-Hispanic or had an unknown Hispanic ethnicity and self-reported their race as other.