Table 1.
Clinical features of our cases
| Case | Age (yr) | Duration from symptoms to surgery (mo) | Intermittent claudication (m) | Muscle weakness | Numbness in legs | Paresthesia in genitalia or perianal | PTR | ATR | JOA score | OABSS | OAB |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 57 | 120 | 50 | - | Bilateral S1 areas | + | +/+ | -/- | 15 | 0 | - |
| 2 | 59 | 40 | 100 | - | Left S1 area | + | +/+ | -/- | 17 | 6 | + |
| 3 | 66 | 29 | 100 | - | Bilateral S1 areas | + | ++/++ | ±/± | 4 | 12 | + |
| 4 | 62 | 24 | 50 | - | Bilateral S1 areas | + | +/+ | ±/± | 7 | 5 | + |
| 5 | 77 | 7 | 100 | - | Bilateral S1 areas | - | +/+ | -/- | 13 | 8 | + |
| 6 | 81 | 360 | 30 | - | Bilateral L5 and S1 areas | + | +/+ | ±/± | 16 | 4 | - |
| 7 | 69 | 12 | 100 | - | Bilateral L5 and S1 areas | + | ±/± | ±/± | 14 | NA | NA |
| 8 | 61 | 72 | 50 | - | Bilateral L5 and S1 areas | + | +/+ | -/- | 20 | NA | NA |
PTR, patellar reflex; ATR, achilles reflex; JOA, Japanese Orthopedic Association; OABSS, Overactive Bladder Symptom Score; OAB, overactive bladder; NA, not available.