MRI T2WI High Signal Is a Risk Factor for Perioperative Complications in Patients with Cervical Spondylosis with Spinal Cord Compression: A Propensity Matching Score Analysis
Table 1
Features between two groups before and after matching.
Before propensity score matching
After propensity score matching
T2WIHS ()
Normal ()
T2WIHS ()
Normal ()
Gender
0.002
0.645
Male
226 (69.3)
256 (43.6)
212 (67.9)
217 (69.6)
Female
100 (30.7)
331 (56.4)
100 (32.1)
95 (30.4)
Age
0.126
0.090
60 y
209 (64.1)
416 (70.9)
201 (64.4)
219 (70.2)
60 y
117 (35.9)
171 (29.1)
111 (35.6)
93 (29.8)
BMI (kg/m2)
0.145
0.252
18.5
25 (7.7)
26 (4.4)
24 (7.7)
16 (5.1)
18.5~24.9
218 (66.9)
403 (68.7)
207 (66.3)
210 (67.3)
25.0
83 (25.4)
158 (26.9)
81 (26.0)
86 (27.6)
Emergency admission
0.459
0.905
Yes
2 (0.6)
5 (0.9)
2 (0.6)
4 (1.3)
No
324 (99.4)
582 (99.1)
310 (99.4)
308 (98.7)
Frankel grading
<0.001
0.536
C
179 (54.9)
199 (33.9)
165 (52.9)
166 (53.2)
D
147 (45.1)
388 (66.1)
147 (47.1)
146 (46.8)
Revision surgery
0.880
0.832
Yes
23 (7.1)
30 (5.1)
19 (6.1)
25 (8.0)
No
303 (92.9)
557 (94.9)
293 (93.9)
287 (92.0)
OALL
28 (8.6)
54 (9.2)
0.397
25 (8.0)
30 (9.6)
0.503
OPLL
63 (19.3)
95 (16.2)
0.250
56 (17.9)
51 (16.3)
0.256
Cervical instability
56 (17.2)
56 (9.5)
0.005
42 (13.5)
36 (11.5)
0.260
Diabetes
24 (7.4)
43 (7.3)
0.637
23 (7.4)
26 (8.3)
0.819
Hypertension
68 (20.9)
99 (16.9)
0.202
61 (19.6)
55 (17.6)
0.207
Coronary heart disease
2 (0.6)
6 (1.0)
0.397
2 (0.6)
6 (1.9)
0.145
Liver and kidney dysfunction
1 (0.3)
3 (0.5)
0.603
0 (0.0)
1 (0.3)
0.473
Cerebrovascular disease
6 (1.8)
20 (3.4)
0.270
6 (1.9)
12 (3.8)
0.492
History of malignant tumor
1 (0.3)
4 (0.7)
0.988
1 (0.3)
0 (0.0)
0.855
Osteoporosis
18 (5.5)
37 (6.3)
0.891
16 (5.1)
15 (4.8)
0.609
Ankylosing spondylitis
1 (0.3)
2 (0.3)
0.967
1 (0.3)
1 (0.3)
0.589
Rheumatoid arthritis
3 (0.9)
9 (1.5)
0.265
3 (1.0)
6 (1.9)
0.312
Smoking history
58 (17.8)
80 (13.6)
0.759
55 (17.6)
49 (15.7)
0.387
Other infection
0 (0.0)
5 (0.9)
>0.99
0 (0.0)
4 (1.3)
>0.99
Operative approach
0.958
0.935
Anterior
257 (78.8)
492 (83.8)
249 (79.8)
246 (78.8)
Posterior
61 (18.7)
84 (14.3)
57 (18.3)
58 (18.6)
Combined
8 (2.5)
11 (1.9)
6 (1.9)
8 (2.6)
All data are shown as the and (%) in the table. ,, and displayed in the table. OALL: ossification of anterior longitudinal ligament; OPLL: ossification of posterior longitudinal ligament; BMI: body mass index; T2WIHS: T2-weighted image high signal.