Table 1.
Summary of sample characteristics stratified by diabetic status
| Total sample | W/out Diabetes | With Diabetes | P* | |
|---|---|---|---|---|
| Number, (%) | ||||
| Participants: | 315, (100) | 272, (86.3) | 43, (13.7) | |
| Women: | 178, (56.5) | 159, (58.5) | 19, (44.2) | 0.079 |
| Gait Status: | 0.506 | |||
| Normal | 163, (51.8) | 144, (52.9) | 19, (44.2) | |
| NN GA | 86, (27.3) | 74, (27.2) | 12, (27.9) | |
| Central-NGA | 28, (8.9) | 24, (8.8) | 4, (9.3) | |
| Neuropathic GA | 38, (12) | 30, (11) | 8, (18.6) | |
| Mean(SD) | ||||
| Age, years: | 76.84(6.7) | 76.71(6.7) | 77.68(6.8) | 0.334 |
| Education, years: | 14.43(3.0) | 14.53(3.1) | 13.84(2.7) | 0.153 |
| GDS total score: | 4.81(3.9) | 4.81(4.0) | 4.84(3.7) | 0.700 |
| BMI: | 29.24(6.6) | 28.82(6.4) | 31.90(6.9) | 0.002 |
| Disease comorbidity: | 1.44(1.0) | 1.44(1.0) | 1.47(.91) | 0.848 |
| RBANS (total Index score): | 91.26(11.9) | 91.25(11.9) | 91.28(12.1) | 0.913 |
| Stride Velocity NW (cm/sec): | 79.89(17.5) | 80.67(17.5) | 74.91(16.9) | 0.059 |
| Stride Velocity WWT (cm/sec): | 64.91(18.8) | 65.1(18.8) | 63.69(18.9) | 0.637 |
| Alpha: rate of letter generation (correct/per minute) | 33.44(11.8) | 34.21(11.5) | 28.56(12.2) | 0.007 |
| WWT: rate of letter generation (correct/per minute) | 34.18(14.8) | 35.06(14.9) | 28.14(12.1) | 0.008 |
| NW: HbO2 levels | 0.11(0.64) | 0.10(0.64) | 0.15(0.64) | 0.054 |
| Alpha: HbO2 levels | 0.68(0.55) | 0.66(0.56) | 0.85(0.51) | <0.001 |
| WWT: HbO2 levels | 0.70(0.88) | 0.71(0.89) | 0.62(0.78) | 0.016 |
*
P=group comparisons between participants with and without diabetes
Note: RBANS Repeatable Battery for the Assessment of Neuropsychological Status; NW=Normal Walk; WWT=Walk While Talk; GDS=Geriatric Depression Scale; Normal=Normal Gait; NNGA=Gait Abnormalities Due to Non-neurological Causes; Central NGA=Neurological Gait Abnormalities Due to Central Causes; Neuropathic GA=Gait Abnormalities Due to Neuropathy; BMI=Body Mass Index