Summary of incidence of symptoms
| Symptom description | Number of subjects | MRI positive |
|---|---|---|
| Values in parentheses are percentages. | ||
| MRI, Magnetic resonance imaging; PE, physical examination. | ||
| (1) Asymptomatic at the time of PE/scanning | 30 (58) | 13 (43) |
| (2) Asymptomatic always | 23 (44) | 10 (43) |
| (3) Asymptomatic at time of PE/scanning but symptomatic (pain only) previously | 7 (13) | 3 (43) |
| (4) Symptomatic at the time of PE/scanning | 22 (42) | 14 (64) |
| Pain only | 13 (25) | 8 (61) |
| Instability only | 4 (8) | 2 (50) |
| Pain and instability | 5 (10) | 4 (80) |
| (5) Symptomatic (pain) always | 11 (21) | 8 (73) |
| (6) Symptomatic at time of PE/scanning but asymptomatic (no pain) previously | 8 (15) | 5 (62) |