Research Article

Revision Surgery for Symptomatic Adjacent Segment Disc Degeneration after Initial Anterior Cervical Fusion: Is ROI-C Better than Plate-Cage Construct?

Table 6

Details of the patients who suffered dysphagia after revision surgery.

With dysphagia ()Without dysphagia () value

Age (year)0.30
Gender (female)7/1811/240.65
BMI (kg/m2)0.72
Medical history
 Hypertension6/187/240.77
 Diabetes5/185/240.60
 Hyperlipidemia4/187/240.61
Smoking6/187/240.77
Alcohol drinking8/184/240.049
Interval time between two surgeries (month)0.70
Presence of dysphagia after first surgery11/184/240.003
Previous surgical type0.65
 ACDF with plate-cage1015
 ACCF with titanium mesh-plate89
Adjacent involved level0.46
 Superior1415
 Inferior48
 Both01
Revision surgery level1.00
 1 level1823
 2 levels01
Revision surgery type0.01
 ROI-C313
 Plate-cage1511
Types of symptomatic ASD0.29
 Radicular type03
 Myelopathic type1112
 Combined type79
Follow-up time (month)0.53
Operative time (minute)0.01
Operative blood loss (milliliter)0.27
Length of stay in hospital (day)0.19

Abbreviations: BMI: body mass index; ACDF: anterior cervical discectomy and fusion; ACCF: anterior cervical corpectomy and fusion; ASD: adjacent segment degeneration. Statistical significance achieved compared between groups ().