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Table 4 A remodified Version of Revised Tokuhashi Score System

From: Prognostic effect of factors involved in revised Tokuhashi score system for patients with spinal metastases: a systematic review and Meta-analysis

Factors

Score

General condition (Karnofsky Performance Status, KPS)a

 Poor and moderate (KPS 10–70)

0

 Good (KPS 80–100)

2

Extraspinal bone metastases

 ≥3

0

 1–2

1

 0

2

No. of metastases in the vertebral bodyb

 ≥2

0

 1

2

Metastases to the major internal organs

 Unremovable

0

 Removable

1

 No metastases

2

Primary site of the cancer

 Lung, osteosarcoma, stomach, bladder, esophagus, pancreas

0

 Liver, gallbladder, unidentified

1

 Others

2

 Kidney, uterus

3

 Rectum

4

 Thyroid, breast, prostate, carcinoid tumor

5

Neurological Status

 Complete (Frankel A, B)

0

 Incomplete (Frankel C, D)

1

 None (Frankel E)

2

  1. Note: This remodified version of RTS was raised according to results in the meta-analyses and remodifications on the cut-off of KPS (a) and number of involved vertebrae (b) were conducted for the scoring system. The patients with KPS 10–40/ 50–70 and patients with single/double involved vertebrae were merged together