Table 1 Basic characteristics of included studies
No. | Author | Year | Mean age (year) | CS patients with intraspinal abnormalities/CS patients | Sex | CS types | MINORS | |||
|---|---|---|---|---|---|---|---|---|---|---|
Male | Female | Failure of formation | Failure of segmentation | Mixed abnormalities | ||||||
1 | Belmont | 2004 | 4.9 | 18/76 | NR | NR | NR | NR | NR | 12 |
2 | Erfani | 2007 | NR | 19/46 | NR | NR | NR | NR | NR | 8 |
3 | Furdock | 2019 | NR | 113/267 | NR | NR | NR | NR | NR | 8 |
4 | Ghandhari | 2015 | 13.5 | 44/202 | 16/90 | 28/112 | 28/108 | 10/64 | 6/30 | 17 |
5 | Gupta | 2016 | 5.3 | 56/119 | 16/44 | 40/75 | 21/61 | 15/23 | 20/35 | 8 |
6 | Hou | 2018 | 12.25 | 54/120 | NR | NR | NR | NR | NR | 13 |
7 | Liu | 2011 | 12.8 | 132/539 | 37/214 | 95/325 | 71/301 | 45/168 | 16/70 | 8 |
8 | Sevencan | 2019 | 12.6 | 124/231 | 43/94 | 81/137 | 65/129 | 41/64 | 18/38 | 8 |
9 | Shen | 2013 | 13.9 | 99/226 | 33/94 | 66/132 | 27/96 | 29/48 | 43/82 | 8 |
10 | Suh | 2001 | NR | 12/37 | 6/17 | 6/20 | 5/19 | 1/4 | 6/14 | 8 |