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Table 1 Comparison of the Subsidence and Non-subsidence groups

From: Risk factors for subsidence of titanium mesh cage following single-level anterior cervical corpectomy and fusion

FactorSubsidence Group (N = 31)Non-subsidence Group (N = 42)P value
Age(years)59.39 ± 8.4957.29 ± 12.850.708
Sex (male: female)15:1622:200.736
Operation level
 C301 
 C486 
 C51118 
 C612170.660
Using end caps
 yes19180.119
 no1224 
 Preoperative CSA14.13 ± 9.1915.37 ± 10.470.675
 Preoperative SA6.94 ± 5.516.91 ± 5.370.995
 Postoperative CSA17.74 ± 9.7117.80 ± 9.970.980
 Postoperative SA11.76 ± 5.8311.18 ± 6.710.705
 Change in CSA3.61 ± 8.272.42 ± 9.440.588
 Change in SA4.81 ± 5.934.28 ± 6.600.727
 RAE*1.24 ± 0.081.12 ± 0.08< 0.001
 RPE1.15 ± 0.071.11 ± 0.110.112
 Alignment of TMC*2.377 ± 1.90353.922 ± 2.06670.002
 Global cervical HU value*315 ± 73388 ± 64< 0.001