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Table 8 Ninth month postoperative outcome (Klekampe score improvement and survival)

From: Surgical management and prognostic factors of spinal metastatic tumors

 Klekampe score improvementSurvival
No%pNo%p*
Age  0.05  0.07
≤50 years10/1856 16/1889 
> 50 years34/5265 42/5281 
Sex  0.05  0.05
 Male26/4458 38/4486 
 Female18/2669 20/2677 
Clinical  0.001  0.01
 Back pain40/7057 58/7083 
 Paresis28/3874 34/3889 
 Plegia2/1217 4/1233 
 Sensory36/5267 40/5277 
 Sphincter8/3225 20/3263 
Duration before surgery  0.001  0.03
 <1 week duration20/2483 22/2492 
 >1 week–1 month16/2662 24/2692 
 >1 month duration8/2040 12/2060 
Preoperative Klekampe score  0.001  0.03
 15–19/2024/2692 26/26100 
 10–14/209/1275 10/1283 
 0–9/2011/3234 22/3269 
Level  0.05  0.01
 Cervical and cervicodorsal junction8/1267 8/1267 
 Dorsal26/4065 36/4090 
 Lumbar6/1060 10/10100 
 Dorsolumber4/850 4/850 
Extension  0.01  0.01
 One vertebra10/1663 16/16100 
 2–3 vertebrae32/4473 36/4482 
 > 3 vertebrae2/1020 6/1060 
Location to dura  0.01  0.01
 Extradural41/6266 52/6284 
 Intramedullary1/250 1/250 
 Intradural-extramedullary2/633 5/684 
Resection  0.02  0.02
 Gross total12/1675 16/16100 
 Subtotal18/2475 20/2483 
 Partial14/3047 22/3073 
Instrumentation  0.6  0.05
 Yes24/3863 34/3889 
 No20/3263 24/3275 
Duration between primary tumor and spinal metastasis diagnosis  0.01  0.07
n = 36
 ≤ 1 year16/2466.7 22/2492 
 > 1 year12/12100 12/12100 
Histopathology  0.03  0.001
 Lymphoma12/1675 14/1688 
 Hepatocellular carcinoma4/1040 6/1060 
 Thyroid carcinoma6/875 8/8100 
 Breast carcinoma4/850 6/875 
 Prostatic carcinoma6/875 8/8100 
 Cancer bladder4/666.7 5/683 
 Lung carcinoma1/425 4/4100 
 Nasopharyngeal carcinoma2/450 2/450 
 Multiple myelomas4/4100 4/4100 
 Ependymoma1/250 1/250