| Surgery | Injection | p |
Age, mean ± SD years | 50.52 ± 10.87 | 53.17 ± 13.93 | 0.213 |
Duration of symptoms, mean ± SD weeks | 31.12 ± 7.27 | 33.25 ± 8.17 | 0.723 |
VAS nocturnal paraesthesias, mean ± SD mm | 55.63 ± 29.44 | 58.13 ± 28.90 | 0.584 |
VAS local pain, mean ± SD mm | 42.69 ± 30.57 | 42.40 ± 29.36 | 0.951 |
VAS functional impairment, mean ± SD mm | 39.03 ± 28.06 | 37.90 ± 26.36 | 0.793 |