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. 2012 Nov 21;471(2):628–639. doi: 10.1007/s11999-012-2699-3

Table 2.

Demographics of 92 patients older than 60 years in this study

Factors Number of patients Percent
Age
 Group 1 (≥ 70 years) 29 31.5
 Group 2 (≥ 60 to < 70 years) 63 68.5
Primary tumor type
 Group I (low-growth grade) 12 13.0
 Group II (intermediate-growth grade) 38 41.3
 Group III fast-growth grade) 42 45.7
Tomita stage
 Intravertebral (Types 1–3) 4 4.3
 Perivertebral involvement (Types 4–5) 40 43.5
 Adjacent vertebral involvement (Type 6) 18 19.6
 Multiple vertebral involvement (Type 7) 30 32.5
Tomita score
 Group 1 (2–3 points) 32 34.6
 Group 2 (4–5 points) 30 32.6
 Group 3 (6–7 points) 13 14.1
 Group 4 (8–10 points) 17 18.4
Tokuhashi score
 Group 1 (1–4 points) 9 9.8
 Group 2 (5–8 points) 34 37.0
 Group 3 (9–12 points) 49 53.3
Re-Tokuhashi score
 Group 1 (1–8 points) 19 20.7
 Group 2 (9–11 points) 36 39.1
 Group 3 (12–15 points) 37 40.2
Preoperative Frankel score
 Grade A 2 2.2
 Grade B 4 4.3
 Grade C 17 18.5
 Grade D 19 20.6
 Grade E 50 54.3
Preoperative VAS score
 Group 1 (1–4) 12 13.0
 Group 2 (5–7) 43 46.7
 Group 3 (8–10) 37 40.2
Preoperative Karnofsky score
 Group 1 (0–40) 23 25.0
 Group 2 (50–70) 67 72.8
 Group 3 (80–100) 2 2.2
Overall 92 100.0