Revision Surgery for Symptomatic Adjacent Segment Disc Degeneration after Initial Anterior Cervical Fusion: Is ROI-C Better than Plate-Cage Construct?
Table 2
Demographics of the patients with symptomatic adjacent segment degeneration.
ROI-C group ()
Plate-cage group ()
value
Age (year)
0.59
Gender (female)
8/16
10/26
0.46
BMI (kg/m2)
0.76
Medical history
Hypertension
4/16
9/26
0.51
Diabetes
4/16
6/26
>0.99
Hyperlipidemia
3/16
8/26
0.39
Smoking
5/16
9/26
0.97
Alcohol drinking
4/16
8/26
0.69
Interval time between two surgeries (month)
0.42
Presence of dysphagia after first surgery
5/16
10/26
0.64
Previous surgical type
0.74
ACDF with plate-cage
9
16
ACCF with titanium mesh-plate
7
10
Adjacent involved level
0.40
Superior
10
19
Inferior
5
7
Both
1
0
Revision surgery level
0.38
1 level
15
26
2 levels
1
0
Types of symptomatic ASD
0.56
Radicular type
2
1
Myelopathic type
8
15
Combined type
6
10
Follow-up time (month)
0.27
Operative time (minute)
<0.01
Operative blood loss (milliliter)
0.004
Length of stay in hospital (day)
0.20
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 ().
