Table 1.
Demographic characteristics, PASE, KL-scores and OA risk factors in all diabetics and controls at baseline and 24-months.
| Baseline | Non-diabetics (n=196) | Diabetics (n=196) | p-values ɫ |
|---|---|---|---|
|
| |||
| Demographics | |||
|
| |||
| Age (years) | 63.31 ± 9.17 | 62.96 ± 8.99 | 0.701 |
| Body mass index (kg/m2) | 30.91 ± 4.50 | 31.20 ± 4.51 | 0.523 |
| Height (m) | 1.68 ± 0.09 | 1.69 ± 0.09 | 0.749 |
| Females [n (%)] / Males [n (%)] | 105 (53.6%) / 91 (46.4%) | 106 (54.1%) / 90 (45.9%) | 0.919 |
| Physical Activity Score for the Elderly | 154.19 ± 85.92 | 144.20 ± 78.99 | 0.232 |
| Right knee Kellgren-Lawrence | 0.965 | ||
| Grade 0 [n (%)] | 79 (40.3%) | 79 (40.3%) | |
| Grade 1 [n (%)] | 48 (24.5%) | 50 (25.5%) | |
| Grade 2 [n (%)] | 69 (35.2%) | 67 (34.2%) | |
|
| |||
| Racial composition | <0.001 | ||
|
| |||
| Caucasian [n (%)] | 162 (82.7%) | 115 (58.7%) | |
| African American [n (%)] | 29 (14.8%) | 71 (36.2%) | |
| Asian [n (%)] | 1 (0.5%) | 4 (2.0%) | |
| Other Non-white [n (%)] | 4 (2.0%) | 6 (3.1%) | |
|
| |||
| OA risk factors | |||
|
| |||
| History of knee injury [n (%)] | 70 (35.7%) | 73 (37.2%) | 0.568 |
| History of knee surgery [n (%)] | 30 (15.3%) | 36 (18.4%) | 0.510 |
| Family history of knee replacement surgery [n (%)] | 26 (13.3%) | 15 (7.7%) | 0.233 |
|
| |||
| 24-months | Non-diabetics (n=159) | Diabetics (n=151) | p-values ɫ |
|
| |||
| Demographics | |||
|
| |||
| Age (years) | 64.99 ± 8.96 | 65.40 ± 8.83 | 0.685 |
| Body mass index (kg/m2) | 30.48 ± 4.37 | 31.00 ± 4.48 | 0.303 |
| Height (m) | 1.68 ± 0.09 | 1.68 ± 0.09 | 0.798 |
| Females [n (%)] / Males [n (%)] | 84 (52.8%) / 75 (47.2%) | 83 (55.0%) / 68 (45.0%) | 0.706 |
| Physical Activity Score for the Elderly | 151.10 ± 84.13 | 141.45 ± 76.63 | 0.295 |
| Right knee Kellgren-Lawrence | 0.678 | ||
| Grade 0 [n (%)] | 57 (35.8%) | 60 (39.7%) | |
| Grade 1 [n (%)] | 41 (25.8%) | 40 (26.5%) | |
| Grade 2 [n (%)] | 61 (38.4%) | 51 (33.8%) | |
|
| |||
| Racial composition | <0.001 | ||
|
| |||
| Caucasian [n (%)] | 133 (83.6%) | 92 (60.9%) | |
| African American [n (%)] | 23 (14.5%) | 51 (33.8%) | |
| Asian [n (%)] | 0 (0.0%) | 3 (2.0%) | |
| Other Non-white [n (%)] | 3 (1.9%) | 5 (3.3%) | |
|
| |||
| OA risk factors | |||
|
| |||
| New history of knee injury [n (%)] | 6 (3.8%) | 6 (4.0%) | 1.000 |
| New history of knee surgery [n (%)] | 5 (3.1%) | 3 (2.0%) | 0.520 |
*
Continues data are expressed as mean ± SD. Categorical data are presented in numbers of participants with percentage in parentheses.
ɫ
p-values listed in the right column were calculated using either Pearson’s χ2-test or independent t-test as appropriate.