Table 1. Demographic and clinical characteristics of DTI studies of CSM in meta-analysis.
| Study | Year | Design | Level of evidence | Number (female) | Mean age, range (year) | Clinical assessment | Surgical treatment | ||
|---|---|---|---|---|---|---|---|---|---|
| CSM | HC | CSM | HC | ||||||
| Mamata | 2005 | Case-control | 3 | 7(3) | 11(6) | NA,26–82 | 37.7,30–48 | NA | |
| Facon | 2005 | Case-control | 3 | 7(3) | 11(3) | 48.2,30–76 | 36.7,NA | NA | |
| Xiangshui | 2010 | Case-control | 3 | 84(36) | 21(9) | 45,16–63 | 43,18–60 | NA | |
| Kim | 2010 | Case-control | 3 | 8(2) | 14(NA) | 59.5,48–78 | 34,NA | NA | |
| Kang | 2011 | Case-control | 3 | 11(5) | 10(6) | 67.2, NA | 33.4, NA | NA | |
| Lee | 2011 | Case-control | 3 | 21(7) | 26(7) | 49.6,22–67 | 49.6,22–67 | mJOA | ✓ |
| Budzik | 2011 | Case-control | 3 | 20(10) | 15(7) | 57.3,34–78 | 54.8,35–73 | Self questionnaire | |
| Song | 2011 | Case-control | 3 | 53(25) | 20(6) | 56,47–71 | 55,46–67 | NA | |
| Uda | 2013 | Case-control | 3 | 26(11) | 30(15) | 59.4,41–82 | 44.2,20–72 | NA | |
| Wen | 2013 | Case-control | 3 | 7(4) | 15(NA) | 56,45–67 | 42,36–48 | mJOA | |
| Wen | 2014 | Case-control | 3 | 45(19) | 20(10) | 64,43–86 | 52,41–62 | mJOA | ✓ |
| Banaszek | 2014 | Case-control | 3 | 132(78) | 25(14) | 53.58,18–76 | 45.78,27–80 | NA | |
| Cui | 2014 | Case-control | 3 | 23（8） | 20(NA) | 59,NA | 46,NA | mJOA | |
| Rajasekaran | 2014 | Case-control | 3 | 35(32) | 40(20) | 48,NA | 38,NA | Nurick | |
CSM, cervical spondylotic myelopathy; HC, healthy control; mJOA, modified Japanese Orthopedic Association score; NA, not available