Table 1.
Descriptive statistics of the study cohort
| T1D | Control subjects without diabetes | P value | |
|---|---|---|---|
| n = 83 | 57 (27 females) | 26 (14 females) | — |
| Age (years) | 7.88 (1.79) | 7.43 (1.86) | 0.298 |
| Cognitive functioning (z scores) | |||
| IQ | −0.14 (0.97) | 0.15 (0.92) | 0.203 |
| Executive functioning | −0.04 (0.62) | 0.06 (0.68) | 0.535 |
| Learning and memory | −0.05 (0.78) | −0.21 (0.79) | 0.399 |
| Processing speed | 0.01 (1.06) | 0.27 (1.08) | 0.307 |
| Clinical measures | |||
| HbA1c (mmol/mol) | 63 (9.9) | 33 (2.1) | <0.0001 |
| HbA1c (%) | 7.9 (0.91) | 5.1 (0.19) | <0.0001 |
| T1D onset age (years) | 4.24 (1.80) | NA | NA |
| Duration of clean rsfMRI data (min) | 4.42 (0.27) | 4.51 (0.30) | 0.160 |
| Number of scrubbed rsfMRI frames | 29.39 (8.0) | 26.58 (9.1) | 0.162 |
| FD in rsfMRI data (post-scrubbing) (mm) | 0.13 (0.04) | 0.13 (0.03) | 0.908 |
Mean (SD) is reported for each variable. P values from an independent-sample Student t test are reported to assess any group differences.