characteristics | Type I (n = 104) | Type II (n = 162) | P |
---|---|---|---|
With other intraspinal abnormalities, n (%) | 46 (44.2) | 68 (42.0) | 0.717 |
Syringomyelia | 32 (30.8) | 49 (30.2) | 0.928 |
Tethered cord | 27 (26.0) | 33 (20.4) | 0.287 |
Low conus | 30 (28.8) | 37 (22.8) | 0.271 |
Intraspinal masses | 3 (2.9) | 4 (2.5) | 0.836 |