Table 1 Characteristics of included studies
study | group | Gender (M/F) | Age(Y) | Segments (one/two/three) | Diseases(T/P) | Cage information | Follow-up(m) |
|---|---|---|---|---|---|---|---|
Chou YC et al. 2008 [12] | TTN | 11/16 | 55.2 | 43(14/10/3) | Trauma(1/2) spondylosis(10/0) OPLL(1/0) HIVD(15/7) | Non-threaded cage containing a biphasic calcium phosphate ceramic | 12 |
PEEK | 6/3 | 54.2 | 15(3/6/0) | containing a biphasic calcium phosphate ceramic | 12 | ||
Niu CC et al. 2010 [19] | TTN | 15/13 | 49.5 ± 11.3 | 37(19/9/0) | Radiculopathy(21/9) Myelopathy(3/3) Radiculomyelopathy(4/3) | hydroxyapatite-coated, box-shaped device with a tooth-threaded surface filled with a local bone graft and a calcium phosphate bone substitute | 31.9 ± 3.4 |
PEEK | 12/13 | 52.2 ± 10.5 | 34(16/9/0) | filled with allo-cancellous bone graft | 30.4 ± 3.3 | ||
Cabraja M et al. 2012 [20] | TTN | 26/18 | 51.1 ± 8.9 | 44(1/0/0) | Radiculopathy(36/34) Myelopathy(8/8) | with Plasmapore coating | 30.6 ± 14.3 |
PEEK | 28/14 | 57.6 ± 11.1 | 42(1/0/0) | N | 26.1 ± 10.0 | ||
Chen Y et al. 2013 [22] | TTN | 17/12 | 45.7 ± 7.2 | 87(0/0/3) | Radiculopathy(16/18) Myelopathy(1/1) Radiculomyelopathy(12/12) | N | 97.2 |
PEEK | 16/15 | 47.2 ± 6.8 | 93(0/0/3) | N | 102.1 |