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Participant demographics
| Healthy subjects N = 601 | Osteoarthritis subjects N = 132 | |
| Age in years, mean (standard deviation) | 56.1 (7.3) | 63.1 (10.5) |
| Females, number (percentage) | 448 (64.5%) | 72 (54.5%) |
| Repeat imaging for research purposes, number (percentage) | 85 (14.1%) | 123 (93.1%) |
