Table2 Difference of clinical data before operation between cervical OPLL positive and negative patients
Type | Training cohort | Validation cohort | ||||
|---|---|---|---|---|---|---|
OPLL positive (N=107) | OPLL negative (N=509) | P-value | OPLL positive (N=37) | OPLL negative (N=122) | P-value | |
OALL | ||||||
Positive | 29(27.1%) | 35(6.9%) | <0.001 | 14(37.8%) | 16(13.1%) | 0.001 |
Negative | 78(72.9%) | 474(93.1%) | 23(62.2%) | 106(86.9%) | ||
Gender | ||||||
Male | 38(35.5%) | 291(57.2%) | <0.001 | 22(59.5%) | 78(64%) | 0.379 |
Female | 69(64.5%) | 218(42.8%) | 15(40.5%) | 44(36%) | ||
hs-CRP | ||||||
<0.8 | 31(29%) | 182(35.8%) | 0.317 | 18(48.6%) | 47(38.5%) | 0.539 |
0.8-10 | 48(44.9%) | 220(43.2%) | 13(35.1%) | 53(43.4%) | ||
>10 | 28(26.1%) | 107(21%) | 6(16.2) | 22(18.1%) | ||
Age | ||||||
Mean | 56.8 | 54.48 | 0.035 | 56.92 | 55.38 | 0.438 |
BMI(kg/m2) | ||||||
Mean | 24.2 | 23.24 | 0.004 | 23.5 | 23.45 | 0.919 |
Emergency admission | ||||||
Yes | 2(1.9%) | 5(1%) | 0.35 | 1(2.7%) | 2(1.6%) | 0.551 |
No | 105(98.1%) | 504(99%) | 36(96.3%) | 120(98.4%) | ||
Classification of neural function | ||||||
3 | 46(43%) | 199(39.1%) | 0.26 | 15(40.5%) | 45(36.9%) | 0.414 |
4 | 61(57%) | 310(60.9%) | 22(59.5%) | 77(63.1%) | ||
History of cervical spine surgery | ||||||
Yes | 10(9.3%) | 23(4.5%) | 0.044 | 6(16.2%) | 5(4.1%) | 0.02 |
No | 97(90.7%) | 486(95.5%) | 31(83.8%) | 117(95.9%) | ||
Cervical instability | ||||||
Yes | 18(16.8%) | 75(14.7%) | 0.338 | 4(10.8%) | 12(9.8%) | 0.537 |
No | 89(83.2%) | 434(85.3%) | 33(89.2%) | 110(90.2%) | ||
Diabetes | ||||||
Yes | 9(8.4%) | 24(4.7%) | 0.1 | 2(5.4%) | 9(7.4%) | 0.506 |
No | 98(91.6%) | 485(95.3%) | 35(94.6%) | 113(92.6%) | ||
Hypertension | ||||||
Yes | 29(27.1%) | 78(15.3%) | 0.004 | 3(8.1%) | 26(21.3%) | 0.051 |
No | 78(72.9%) | 431(84.7%) | 34(91.9%) | 96(78.7%) | ||
CHD | ||||||
Yes | 3(3%) | 2(0.4%) | 0.039 | 1(3%) | 1(0.8%) | 0.412 |
No | 104(97%) | 507(99.6%) | 36(97%) | 121(99.2%) | ||
Abnormal liver and kidney function | ||||||
Yes | 3(3%) | 3(0.6%) | 0.412 | 0(0%) | 2(1.6%) | 0.588 |
No | 104(97%) | 506(99.4%) | 37(100%) | 120(98.4%) | ||
Cerebrovascular Disease | ||||||
Yes | 3(3%) | 13(2.6%) | 0.546 | 1(3%) | 1(0.8%) | 0.412 |
No | 104(97%) | 496(97.4) | 36(97%) | 121(99.2%) | ||
Peptic ulcer | ||||||
Yes | 5(4.7%) | 27(5.3%) | 0.508 | 0(0%) | 1(0.8%) | 0.767 |
No | 102(95.3%) | 482(94.7%) | 37(100%) | 121(99.2%) | ||
Cancer | ||||||
Yes | 0(0%) | 5(1) | 0.384 | 0(0%) | 0(0%) | - |
No | 107(100%) | 504(99%) | 37(100%) | 122(100%) | ||
Osteoporosis | ||||||
Yes | 7(6.5%) | 21(4.1%) | 0.197 | 5(13.5%) | 10(8.2%) | 0.25 |
No | 100(93.5%) | 488(95.9%) | 32(86.5%) | 112(91.8%) | ||
AS | ||||||
Yes | 1(1%) | 2(0.4%) | 0.436 | 0(0%) | 1(0.8%) | 0.767 |
No | 106(99%) | 507(99.6%) | 37(100%) | 121(99.2%) | ||
Rheumatoid arthritis | ||||||
Yes | 3(3%) | 7(1.4%) | 0.244 | 0(0%) | 1(0.8%) | 0.767 |
No | 104(97%) | 502(98.6%) | 37(100%) | 121(99.2%) | ||
Preoperative VAS score | ||||||
Mean | 3.12 | 3.51 | 0.131 | 4.03 | 3.3 | 0.081 |
Cigarette | ||||||
Yes | 17(15.9%) | 79(15.5%) | 0.5512 | 4(10.8%) | 21(17.2%) | 0.255 |
No | 90(84.1%) | 430(84.5%) | 33(89.2%) | 101(82.8%) | ||
