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Table 4 Statistical analysis of the VAS and Karnofsky results before and after the surgical treatment

From: "Quality of life of patients after surgical treatment of cervical spine metastases"

Approach

VAS before the surgery

VAS after the surgery

P value

Karnof’sky before the surgery

Karnof’sky after the surgery

P value

(A) Anterior N = 16

5.2 ± 1.7

2.1 ± 1.1

<0.05

70 ± 14

80 ± 12

<0.05

(P) Posterior N = 30

7.9 ± 1.4*

4.6 ± 1.2*

<0.05

48 ± 11*

58 ± 10*

<0.05

(H) Hybrid N = 11

8.5 ± 1.8

6.1 ± 1.5

<0.05

46 ± 18

56 ± 17

NS

  1. Results are presented as a mean ± standard deviation. *p < 0.05 for inter-group difference A vs. B or A vs. C