Table 3.
Main indication | Study | AMSTAR item | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Author | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | High quality | |
Herniated disc | Gibson and Waddell [13] (HNP) | Y | N | Y | Y | Y | Y | Y | Y | Y | N | N | Y |
Hirsch et al. [15] | N | N | Y | N | Y | N | Y | N | n/a | N | N | ||
Jacobs et al. [17] | N | Y | Y | N | N | Y | Y | Y | ? | Y | N | Y | |
Lewis et al. [23] | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | N | Y | |
Nellensteijn et al. [29] | N | Y | Y | ? | N | Y | Y | Y | Y | N | N | Y | |
Spondylolisthesis | Jacobs et al. [18] | N | Y | Y | N | Y | Y | Y | N | n/a | N | N | |
Martin et al. [24] | N | N | Y | Y | N | Y | Y | Y | Y | N | N | Y | |
Stenosis | Kovacs et al. [20] | N | Y | Y | N | Y | Y | Y | Y | Y | N | Y | a |
Moojen et al. [28] | N | Y | Y | ? | Y | Y | Y | Y | Y | N | Y | Y | |
DDD | van den Eerenbeemt et al. [41] | N | Y | Y | ? | Y | Y | Y | Y | n/a | N | N | Y |
Yajun et al. [48] | N | Y | Y | N | N | Y | Y | Y | N | Y | N | ||
Combinations | Chou et al. [7] (HD, DDD, stenosis) | N | N | Y | N | Y | Y | Y | Y | n/a | N | Y | Y |
Gibson and Waddell [12] (Spl) (DDD, stenosis) | Y | N | Y | Y | Y | Y | Y | Y | Y | N | N | Y |
Y yes, meets requirement; N no, does not meet requirement; n/a not applicable; DDD degenerative disc disease; HD herniated disc; SPL spondylolisthesis
aQuality was decreased because of inconsistencies in the evaluation