14 August 2020: Clinical Research
A Retrospective Study of Surgical Correction for Spinal Deformity with and without Osteotomy to Compare Outcome Using Intraoperative Neurophysiological Monitoring with Evoked Potentials
Jian Chen 1DEF* , Jing-fan Yang 1BCF** , Yao-long Deng 1BCF* , Wen-yuan Sui 1EF , Xie-xiang Shao 1BCD , Zi-fang Huang 2ABCDE* , Jun-lin Yang 1FGDOI: 10.12659/MSM.925371
Med Sci Monit 2020; 26:e925371
Table 2 Patient preoperative demographics compared between the non-osteotomy group and osteotomy group.
| Non-osteotomy group | Osteotomy group | |||||
|---|---|---|---|---|---|---|
| Group A1 | Group A2 | P Value | Group B1 | Group B2 | P Value | |
| Age | 15.96±3.7 | 15.46±3.7 | 0.479 | 18.9±10.4 | 18±5.5 | 0.663 |
| Male: Female | 16: 51 | 8: 44 | 0.252 | 17: 10 | 22: 20 | 0.387 |
| Operation time | 279.8±61.1 | 251.1±44.0 | 0.012 | 506.1±141.5 | 516.6±135.5 | 0.778 |
| Bleeding volume | 743.3±488.6 | 603.5±218.8 | 0.089 | 2660.5±1467.7 | 2698.1±1333.0 | 0.920 |
| Osteotomy distance (cm) | – | – | – | 3.1±0.6 | 3.4±0.8 | 0.243 |
| Number of vertebra resected (level) | – | – | – | 1.3±0.6 | 1.3±0.5 | 0.949 |