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Patients’ demographic data (mean ± SD, range)
| Parameters | PSO group (n = 25) | VCD group (n = 36) |
|---|---|---|
| Age (years) | 38.5 ± 11.5 (22–63) | 38.1 ± 9.0 (21–54) |
| Gender | 23 males, 2 females | 34 males, 2 females |
| Follow-up (months) | 30.2 ± 4.7 (24–38) | 28.8 ± 3.7 (24–39) |
