Research Article

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 matchingAfter propensity score matching
T2WIHS ()Normal ()T2WIHS ()Normal ()

Gender0.0020.645
 Male226 (69.3)256 (43.6)212 (67.9)217 (69.6)
 Female100 (30.7)331 (56.4)100 (32.1)95 (30.4)
Age0.1260.090
 60 y209 (64.1)416 (70.9)201 (64.4)219 (70.2)
 60 y117 (35.9)171 (29.1)111 (35.6)93 (29.8)
BMI (kg/m2)0.1450.252
 18.525 (7.7)26 (4.4)24 (7.7)16 (5.1)
 18.5~24.9218 (66.9)403 (68.7)207 (66.3)210 (67.3)
 25.083 (25.4)158 (26.9)81 (26.0)86 (27.6)
Emergency admission0.4590.905
 Yes2 (0.6)5 (0.9)2 (0.6)4 (1.3)
 No324 (99.4)582 (99.1)310 (99.4)308 (98.7)
Frankel grading<0.0010.536
 C179 (54.9)199 (33.9)165 (52.9)166 (53.2)
 D147 (45.1)388 (66.1)147 (47.1)146 (46.8)
Revision surgery0.8800.832
 Yes23 (7.1)30 (5.1)19 (6.1)25 (8.0)
 No303 (92.9)557 (94.9)293 (93.9)287 (92.0)
OALL28 (8.6)54 (9.2)0.39725 (8.0)30 (9.6)0.503
OPLL63 (19.3)95 (16.2)0.25056 (17.9)51 (16.3)0.256
Cervical instability56 (17.2)56 (9.5)0.00542 (13.5)36 (11.5)0.260
Diabetes24 (7.4)43 (7.3)0.63723 (7.4)26 (8.3)0.819
Hypertension68 (20.9)99 (16.9)0.20261 (19.6)55 (17.6)0.207
Coronary heart disease2 (0.6)6 (1.0)0.3972 (0.6)6 (1.9)0.145
Liver and kidney dysfunction1 (0.3)3 (0.5)0.6030 (0.0)1 (0.3)0.473
Cerebrovascular disease6 (1.8)20 (3.4)0.2706 (1.9)12 (3.8)0.492
History of malignant tumor1 (0.3)4 (0.7)0.9881 (0.3)0 (0.0)0.855
Osteoporosis18 (5.5)37 (6.3)0.89116 (5.1)15 (4.8)0.609
Ankylosing spondylitis1 (0.3)2 (0.3)0.9671 (0.3)1 (0.3)0.589
Rheumatoid arthritis3 (0.9)9 (1.5)0.2653 (1.0)6 (1.9)0.312
Smoking history58 (17.8)80 (13.6)0.75955 (17.6)49 (15.7)0.387
Other infection0 (0.0)5 (0.9)>0.990 (0.0)4 (1.3)>0.99
Operative approach0.9580.935
 Anterior257 (78.8)492 (83.8)249 (79.8)246 (78.8)
 Posterior61 (18.7)84 (14.3)57 (18.3)58 (18.6)
 Combined8 (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.