Table 1 Description of the included individuals with no radiographic knee OA (no OA), compared to those with radiographic knee OA (RKOA)
| Â | Missing No OA/OA | All Mean (sd) | No OA Mean (sd) | RKOA* Mean (sd) | p-value |
|---|---|---|---|---|---|
N | Â | 282 | 219 | 63 | Â |
Age, years | 0/0 | 52 (8) | 50 (9) | 56 (4) | < 0.001 |
Sex, women, % | 0/0 | 70 | 70 | 68 | 0.81 |
BMI | 0/0 | 26.4 (4.7) | 26.5 (4.8) | 27.8 (4.2) | 0.011 |
BMI < 18.5 kg/m2, % | 0/0 | 1 | 1 | 0 |  |
BMI 18.5–24.9 kg/m2, % | 0/0 | 44 | 47 | 33 | 0.147 |
BMI 25.0-29.9Â kg/m2, % | 0/0 | 35 | 33 | 45 | Â |
BMI > 30.0 kg/m2, % | 0/0 | 20 | 19 | 22 |  |
Underweight and normal weight, % | 0/0 | 45 | 48 | 32 | 0.019 |
Overweight and obese, % | Â | 55 | 52 | 68 | |
Visceral fat area (VFA) | 4/1 | 114 (53) | 109 (53) | 128 (51) | 0.014 |
Raised VFA (≥ 100), % | 4/1 | 51 | 46 | 68 | 0.003 |
Proportion of fat, % | 4/1 | 31 (9) | 30 (9) | 33 (9) | 0.042 |
Waist circumferance, cm | 3/1 | 95 (13) | 94 (13) | 99 (12) | 0.011 |
Central obesity, % | 3/1 | 81 | 76 | 94 | 0.001 |
Raised blood pressure**, % | 1/0 | 63 | 64 | 57 | 0.31 |
CRP, mg/L | 0/0 | 2.0 (2.6) | 1.9 (2.6) | 2.3 (2.4) | 0.33 |
Total cholesterol, mmol/L | 0/0 | 5.3 (1.1) | 5.2 (1.1) | 5.5 (1.0) | 0.053 |
Triglycerides, mmol/L | 0/0 | 1.1 (0.6) | 1.0 (0.6) | 1.2 (0.7) | 0.11 |
Raised triglycerides**, % | 0/0 | 12 | 10 | 19 | 0.041 |
LDL-cholesterol, mmol/L | 0/0 | 3.5 (1.0) | 3.4 (1.0) | 3.7 (1.1) | 0.046 |
HDL-cholesterol, mmol/L | 0/0 | 1.7 (0.4) | 1.7 (0.4) | 1.7 (0.5) | 0.75 |
Reduced HDL-cholesterol** | 0/0 | 13 | 12 | 14 | 0.69 |
Glucose, mmol/L | 2/0 | 5.4 (0.8) | 5.4 (0.9) | 5.4 (0.5) | 0.97 |
Raised glucose**, % | 2/0 | 34 | 35 | 33 | 0.84 |
HBA1c, mmol/mol | 9/1 | 37 (5) | 37 (5) | 37 (4) | 0.77 |
MetS**, % | 4/1 | 27 | 26 | 34 | 0.20 |