| Spondylolysis group | Control group | ||
---|---|---|---|---|
Number (n) | 45 | 32 | ||
Mean age (years) | 34.9 ± 14.1 | 22.5 ± 4.2 | ||
Male (n, %) Lysis level (n) | 35 (78 %) L5 (40), L4 (5) | 28 (87 %) 0 | ||
Slip grade (n) | 0 (16), I (27), II (2) | 0 | ||
IVD (n) | I (4), II (8), III (8), IV (11), V (2) | 0 |